Stevens, N. E., & Stevens, R. B. (1984). Disease in Plants: An Introduction to Agricultural Phytopathology (Indian Reprint.). International Books & Periodicals Supply Service.
Cita Chicago (17th ed.)Stevens, Neil E., i Russell B. Stevens. Disease in Plants: An Introduction to Agricultural Phytopathology. Indian Reprint. New Delhi: International Books & Periodicals Supply Service, 1984.
Cita MLA (9th ed.)Stevens, Neil E., i Russell B. Stevens. Disease in Plants: An Introduction to Agricultural Phytopathology. Indian Reprint. International Books & Periodicals Supply Service, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.