Παραπομπή σε μορφή APA (7η εκδ.)

Perez, R. H., & Tan, J. D. (2006). Production of acidophilus milk enriched with purees from colored sweet potatoes (ipomoea batatas Linn.) varieties. Annals of Tropical Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Perez, Rodney H., και Julie D. Tan. "Production of Acidophilus Milk Enriched with Purees from Colored Sweet Potatoes (ipomoea Batatas Linn.) Varieties." Annals of Tropical Research 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Perez, Rodney H., και Julie D. Tan. "Production of Acidophilus Milk Enriched with Purees from Colored Sweet Potatoes (ipomoea Batatas Linn.) Varieties." Annals of Tropical Research, 2006.