APA aipamena

Alemayehu, A., & Brown, D. R. (1993). Gastrointestinal regulatory peptides. Springer-Verlag.

Chicago Style aipamena

Alemayehu, A., and David Robert Brown. Gastrointestinal Regulatory Peptides. Berlin: Springer-Verlag, 1993.

MLA aipamena

Alemayehu, A., and David Robert Brown. Gastrointestinal Regulatory Peptides. Springer-Verlag, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.