Sadek M Ayoub. (1980). Plant nematology: An agricultural training aid. California: NemaAid Publication.
शिकागो स्टाइल उद्धरणSadek M Ayoub. Plant Nematology: An Agricultural Training Aid. California: NemaAid Publication, 1980.
एमएलए उद्धरणSadek M Ayoub. Plant Nematology: An Agricultural Training Aid. California: NemaAid Publication, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.