APA Citatie

Spedding, C. R. W. (1988). An introduction to agricultural systems: C. R. W. Spedding. London: Elsevier Applied Science.

Chicago Style citaat

Spedding, C. R. W. An Introduction to Agricultural Systems: C. R. W. Spedding. London: Elsevier Applied Science, 1988.

MLA citatie

Spedding, C. R. W. An Introduction to Agricultural Systems: C. R. W. Spedding. London: Elsevier Applied Science, 1988.

Let op: Deze citaties zijn niet altijd 100% accuraat.