Cita APA

Fryer, J. P. (1978). Weed control hand book V.2 (8.). Blackwell Scientific Publications.

Chicago Edition Citation

Fryer, J P. Weed Control Hand Book V.2. 8. London: Blackwell Scientific Publications, 1978.

Cita MLA

Fryer, J P. Weed Control Hand Book V.2. 8. Blackwell Scientific Publications, 1978.