Παραπομπή σε μορφή APA (7η εκδ.)

Sperling, L., & Loevinsohn, M. (1996). Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sperling, Louise, και Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. New Delhi: International Development Research Centre, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sperling, Louise, και Michael Loevinsohn. Using Diversity: Enhancing and Maintaining Genetic Resources on Farm. International Development Research Centre, 1996.