Παραπομπή σε μορφή APA (7η εκδ.)

Aba, M. A. (1998). Hormonal interrelationships in reproduction of female llamas and alpacas. Swedish University of Agricultural Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Aba, Marcelo Alfredo. Hormonal Interrelationships in Reproduction of Female Llamas and Alpacas. Uppsala: Swedish University of Agricultural Sciences, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Aba, Marcelo Alfredo. Hormonal Interrelationships in Reproduction of Female Llamas and Alpacas. Swedish University of Agricultural Sciences, 1998.