Παραπομπή APA

Wagenmakers, P. (1995). Light relations in orchard systems. Landbouw University.

Παραπομπή Chicago Style

Wagenmakers, P.S. Light Relations in Orchard Systems. Wageningen: Landbouw University, 1995.

Παραπομπή MLA

Wagenmakers, P.S. Light Relations in Orchard Systems. Landbouw University, 1995.