Gaya APA

Endress, P, K. (2011). Angiosperm ovules: diversity, development, evolution . : Oxford University Press on behalf of the Annals of Botany Company.

Gaya MLA

Endress, Peter, K.. "Angiosperm ovules: diversity, development, evolution". : Oxford University Press on behalf of the Annals of Botany Company, 2011. e-journal.