International Congress on Surface Active Substances, 5th Barcelona, 1968. (1969). Chimie, physique et applications pratique des agents de surface: Compte-rendu du Veme Congres International de la Detergence,Barcelone, 9 au 13 septembre 1968. Chemistry, physics and practical applications of surface active substances; proceedings of the Vth International Congress on surface active substances. Ediciones Unidas.
Чикаго стиль цитування (17-те видання)International Congress on Surface Active Substances, 5th Barcelona, 1968. Chimie, Physique Et Applications Pratique Des Agents De Surface: Compte-rendu Du Veme Congres International De La Detergence,Barcelone, 9 Au 13 Septembre 1968. Chemistry, Physics and Practical Applications of Surface Active Substances; Proceedings of the Vth International Congress on Surface Active Substances. Barcelona: Ediciones Unidas, 1969.
Стиль цитування MLA (8-ме видання)International Congress on Surface Active Substances, 5th Barcelona, 1968. Chimie, Physique Et Applications Pratique Des Agents De Surface: Compte-rendu Du Veme Congres International De La Detergence,Barcelone, 9 Au 13 Septembre 1968. Chemistry, Physics and Practical Applications of Surface Active Substances; Proceedings of the Vth International Congress on Surface Active Substances. Ediciones Unidas, 1969.