Crafts, A. S., Raynar, R. N., & Robbins, W. W. (1952). Weed control: A text book and manual. Mc Graw-Hill Book Co.
Dyfyniad Arddull ChicagoCrafts, Alden S., Richard N. Raynar, and Wilfred W. Robbins. Weed Control: A Text Book and Manual. Newyork: Mc Graw-Hill Book Co, 1952.
Dyfyniad MLACrafts, Alden S., et al. Weed Control: A Text Book and Manual. Mc Graw-Hill Book Co, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.