Penggayaan APA

COTTON, Peter B., WILLIAMS, Chistopher B.. (1990). Practical gastrointestinal endoscopy (3rd ed.). Oxford: Blackwell Scientific.

Chicago Style

COTTON, Peter B., WILLIAMS, Chistopher B.. Practical gastrointestinal endoscopy. 3rd ed. Oxford: Blackwell Scientific, 1990. Buku.

MLA Style

COTTON, Peter B., WILLIAMS, Chistopher B.. Practical gastrointestinal endoscopy. 3rd ed. Oxford: Blackwell Scientific, 1990. Buku.

Turabian Style

COTTON, Peter B., WILLIAMS, Chistopher B.. Practical gastrointestinal endoscopy. 3rd ed. Oxford: Blackwell Scientific, 1990. Buku.