Espino-Cabatit, H., & Gatchalian, H. (1951). Biochemistry. s.n.
Chicago Style aipamenaEspino-Cabatit, Helen, and Hipolito Gatchalian. Biochemistry. Manila: s.n, 1951.
MLA aipamenaEspino-Cabatit, Helen, and Hipolito Gatchalian. Biochemistry. s.n, 1951.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.