Gaya APA

Ewing, W, H. (1986). Edwards and Ewing's Identification of Enterobacteriaceae (4th ed.). New York: Elserver Science Publishing.

Gaya MLA

Ewing, William, H.. "Edwards and Ewing's Identification of Enterobacteriaceae". 4th ed. New York: Elserver Science Publishing, 1986. print.