APA (7e ed.) Bronvermelding

Kessing, S. V. (1968). Mucous gland system of the conjunctiva: A quantitative normal anatomical study.

Chicago (17e ed.) Bronvermelding

Kessing, Svend Vedel. Mucous Gland System of the Conjunctiva: A Quantitative Normal Anatomical Study. Copenhagen, 1968.

MLA (8e ed.) Bronvermelding

Kessing, Svend Vedel. Mucous Gland System of the Conjunctiva: A Quantitative Normal Anatomical Study. 1968.