APA ציטוט

WHEELER,W.A and HILL, D. (1957). GRASLAND SEEDS. D.VAN NOSTRAND CO.,INC.

Chicago Edition Citation

WHEELER,W.A and HILL, D.D. GRASLAND SEEDS. CANADA: D.VAN NOSTRAND CO.,INC, 1957.

ציטוט MLA

WHEELER,W.A and HILL, D.D. GRASLAND SEEDS. D.VAN NOSTRAND CO.,INC, 1957.