APA (7th ed.) Zitazioa

Strange, J. M., & Ccrn, R. (1985). Gastrointestinal Problems (1st.). Medical Economics Books.

Chicago Style (17th ed.) Zitazioa

Strange, Julie Mull, eta R.N Ccrn. Gastrointestinal Problems. 1st. New Jersey: Medical Economics Books, 1985.

MLA (9th ed.) Zitazioa

Strange, Julie Mull, eta R.N Ccrn. Gastrointestinal Problems. 1st. Medical Economics Books, 1985.