Cita APA (7th ed.)

Espino-Cabatit, H., & Gatchalian, H. (1951). Biochemistry. s.n.

Cita Chicago (17th ed.)

Espino-Cabatit, Helen, i Hipolito Gatchalian. Biochemistry. Manila: s.n, 1951.

Cita MLA (9th ed.)

Espino-Cabatit, Helen, i Hipolito Gatchalian. Biochemistry. s.n, 1951.