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.
Chicago-viite (17. p.)Arriola, Axel H., ja 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.
MLA-viite (9. p.)Arriola, Axel H., ja 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.
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