(1994). Pest and weed control.
Tohutoru Kātū Chicago (17th ed.)Pest and Weed Control. 1994.
Tohutoro MLA (9th ed.)Pest and Weed Control. 1994.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)