Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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