Cita APA

davidson, J., & Llyod, R. (1977). Conservationand agriculture. John Wiley & Sonsltd.

Chicago Edition Citation

davidson, Joan, i Richard Llyod. Conservationand Agriculture. Chichester: John Wiley & Sonsltd, 1977.

Cita MLA

davidson, Joan, i Richard Llyod. Conservationand Agriculture. John Wiley & Sonsltd, 1977.