Παραπομπή APA

Roberts,Ronald J. (1974). Handbook of trout and salmon diseases. University of stirling.

Παραπομπή Chicago Style

Roberts,Ronald J. Handbook of Trout and Salmon Diseases. England: University of stirling, 1974.

Παραπομπή MLA

Roberts,Ronald J. Handbook of Trout and Salmon Diseases. University of stirling, 1974.