Dyfyniad APA
ebrary, Inc, Tham, T. C. K., Collins, J. S. A., & Soetikno, R. (2009). Gastrointestinal emergencies (2nd ed.). Wiley-Blackwell Pub..
Dyfyniad Arddull Chicago
ebrary, Inc, Tony C. K. Tham, John S. A. Collins, and Roy Soetikno. Gastrointestinal Emergencies. 2nd ed. Chichester, UK ; Hoboken, NJ: Wiley-Blackwell Pub., 2009.
Dyfyniad MLA
ebrary, Inc, et al. Gastrointestinal Emergencies. 2nd ed. Wiley-Blackwell Pub., 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.