Lua APA (7ú heag.)

Graves, R. A. (2005). Communicating in the agricultural industry. Thomson/ Delmar Learning.

Lua i Stíl Chicago (17ú heag.)

Graves, Russell A. Communicating in the Agricultural Industry. Clifton Park, N.Y: Thomson/ Delmar Learning, 2005.

Lua MLA (9ú heag.)

Graves, Russell A. Communicating in the Agricultural Industry. Thomson/ Delmar Learning, 2005.

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