APA (7e ed.) Bronvermelding

Oarde, C. M., & del Valle, M. Extraction and storage stability of red color from Roselle (Hibiscus sabdariffa).

Chicago (17e ed.) Bronvermelding

Oarde, Cynthia M., en Mercedita del Valle. Extraction and Storage Stability of Red Color from Roselle (Hibiscus Sabdariffa). 1978.

MLA (9e ed.) Bronvermelding

Oarde, Cynthia M., en Mercedita del Valle. Extraction and Storage Stability of Red Color from Roselle (Hibiscus Sabdariffa).