Gaya APA

Alden, S, C., Wilfred, W, R. (1942). A Text Book and Manual Weed Control (3rd). New Delhi: Tata McGraw-Hill Publishing Company Ltd.

Gaya MLA

Alden, S., Crafts,., Wilfred, W., Robbins,. "A Text Book and Manual Weed Control". 3rd New Delhi: Tata McGraw-Hill Publishing Company Ltd, 1942. Text.