APA ציטוט

Sporne, K. R. (1965). The Morphology of Gymnospems. London: Hutchinson Unversity Library.

Trích dẫn kiểu Chicago

Sporne, K. R. The Morphology of Gymnospems. London: Hutchinson Unversity Library, 1965.

ציטוט MLA

Sporne, K. R. The Morphology of Gymnospems. London: Hutchinson Unversity Library, 1965.