Citazione APA

DUNGAN,George H. and ROSS W.A. (1957). GROWING FIELD CROPS. Mc GRAW-HILL BOOK COMPANY,INC.

Stile di citazione Chicago

DUNGAN,George H. and ROSS W.A. GROWING FIELD CROPS. NEW YORK: Mc GRAW-HILL BOOK COMPANY,INC, 1957.

Citazione MLA

DUNGAN,George H. and ROSS W.A. GROWING FIELD CROPS. Mc GRAW-HILL BOOK COMPANY,INC, 1957.