Dyfyniad APA

Hoff, J. E., & Janick, J. (1973). Food: Readings from scientific American. W.H.Freeman.

Dyfyniad Arddull Chicago

Hoff, Johan E., and Jules Janick. Food: Readings from Scientific American. San Francisco: W.H.Freeman, 1973.

Dyfyniad MLA

Hoff, Johan E., and Jules Janick. Food: Readings from Scientific American. W.H.Freeman, 1973.

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