Παραπομπή σε μορφή APA (7η εκδ.)

Arriola, A. H., & Alejandro, G. J. D. (2015). Phylogeny of the Philippine coffeeae (Rubiaceae) inferred from multiple cpDNA and morphology. Transactions of the National Academy of Science and Technology.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Arriola, Axel H., και Grecebio Jonathan D. Alejandro. "Phylogeny of the Philippine Coffeeae (Rubiaceae) Inferred from Multiple CpDNA and Morphology." Transactions of the National Academy of Science and Technology 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Arriola, Axel H., και Grecebio Jonathan D. Alejandro. "Phylogeny of the Philippine Coffeeae (Rubiaceae) Inferred from Multiple CpDNA and Morphology." Transactions of the National Academy of Science and Technology, 2015.