Tohutoro APA (7th ed.)
Smith, K. M. (1972). A textbook of plant virus diseaes (3rd editión.). Longman.
Tohutoru Kātū Chicago (17th ed.)
Smith, Kenneth M. A Textbook of Plant Virus Diseaes. 3rd editión. London: Longman, 1972.
Tohutoro MLA (9th ed.)
Smith, Kenneth M. A Textbook of Plant Virus Diseaes. 3rd editión. Longman, 1972.
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