Citazione Stile APA (7a Edizione)

Sapena Pastor, R., & Sapena Brugada, R. (1962). A statement of the laws of Paraguay in matters affecting business (2d ed., rev. and enl.). Pan American Union.

Citazione stile Chigago Style (17a edizione)

Sapena Pastor, Raúl, e Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. 2d ed., rev. and enl. Washington: Pan American Union, 1962.

Citatione MLA (8a ed.)

Sapena Pastor, Raúl, e Raúl Sapena Brugada. A Statement of the Laws of Paraguay in Matters Affecting Business. 2d ed., rev. and enl. Pan American Union, 1962.