Dyfyniad APA

Wellman, F. L. (1972). Tropical american plant disease: Neotropical phytopathology problems. The Scarecrow.

Dyfyniad Arddull Chicago

Wellman, Frederick L. Tropical American Plant Disease: Neotropical Phytopathology Problems. Nueva York: The Scarecrow, 1972.

Dyfyniad MLA

Wellman, Frederick L. Tropical American Plant Disease: Neotropical Phytopathology Problems. The Scarecrow, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.