Cita APA

Crane, E. (1984). Pollination directory for world crops. London: International bee research association.

Chicago Style Citation

Crane, Eva. Pollination Directory for World Crops. London: International bee research association, 1984.

Cita MLA

Crane, Eva. Pollination Directory for World Crops. London: International bee research association, 1984.

Atenció: Aquestes cites poden no estar 100% correctes.