Παραπομπή APA

Walkey D G. (1985). Applied plant virology. William Heinemann Ltd.

Παραπομπή Chicago Style

Walkey D G. Applied Plant Virology. London: William Heinemann Ltd, 1985.

Παραπομπή MLA

Walkey D G. Applied Plant Virology. William Heinemann Ltd, 1985.