APA (7e ed.) Bronvermelding

Sales, E. K., Cena, R. L., & Butardo, N. G. (2012). Hehealogue : a catalogue of Hevea germplasm in the Philippines: Diversity in Hevea clones. [publisher not identified].

Chicago (17e ed.) Bronvermelding

Sales, Emma K., Romulo L. Cena, en Nilda G. Butardo. Hehealogue : A Catalogue of Hevea Germplasm in the Philippines: Diversity in Hevea Clones. [Place of publication not identified]: [publisher not identified], 2012.

MLA (9e ed.) Bronvermelding

Sales, Emma K., et al. Hehealogue : A Catalogue of Hevea Germplasm in the Philippines: Diversity in Hevea Clones. [publisher not identified], 2012.