Dyfyniad APA

Monge, R., Utzinger, D., & Arias, M. L. (1994). Incidence al Listeria menocytogenes in pasteurized ice cream and soft cheese in Costa Rica, 1992.

Dyfyniad Arddull Chicago

Monge, Rafael, Dagmar Utzinger, y Ma Laura Arias. Incidence Al Listeria Menocytogenes in Pasteurized Ice Cream and Soft Cheese in Costa Rica, 1992. 1994.

Dyfyniad MLA

Monge, Rafael, Dagmar Utzinger, y Ma Laura Arias. Incidence Al Listeria Menocytogenes in Pasteurized Ice Cream and Soft Cheese in Costa Rica, 1992. 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.