Dyfyniad APA

Vergara, B. S., Argosino, G., & Banta, S. (1991). Heliconias in the Philippines. Island Publishing House, Inc.

Dyfyniad Arddull Chicago

Vergara, Ben S., G.S Argosino, and S.J Banta. Heliconias in the Philippines. Manila: Island Publishing House, Inc, 1991.

Dyfyniad MLA

Vergara, Ben S., et al. Heliconias in the Philippines. Island Publishing House, Inc, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.