Παραπομπή APA

Lommen, W. (1995). Basic studies on the production and performance of potato. Landbouw University.

Παραπομπή Chicago Style

Lommen, W.J.M. Basic Studies on the Production and Performance of Potato. Wageningen: Landbouw University, 1995.

Παραπομπή MLA

Lommen, W.J.M. Basic Studies on the Production and Performance of Potato. Landbouw University, 1995.