Vergara, B. S., Argosino, G., & Banta, S. (1991). Heliconias in the Philippines. Island Publishing House, Inc.
Lua i Stíl Chicago (17ú heag.)Vergara, Ben S., G.S Argosino, agus S.J Banta. Heliconias in the Philippines. Manila: Island Publishing House, Inc, 1991.
Lua MLA (9ú heag.)Vergara, Ben S., et al. Heliconias in the Philippines. Island Publishing House, Inc, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.