Gaya APA

Frank, R, C., Irving, H, B. (1992). The Directory of food and nutrition informaton for professionals and consumers (2nd ed). Phoenix, AR: Oryx Press.

Gaya MLA

Frank, Robyn, C.., Irving, Holly, Berry. "The Directory of food and nutrition informaton for professionals and consumers". 2nd ed Phoenix, AR: Oryx Press, 1992. Text.