Παραπομπή APA

WATSON,Stephen J. and NASH,Michael J. (1960). THE CONSERVATION OF GRASS AND FORAGE CROPS. OLIVER & BOYD.

Παραπομπή Chicago Style

WATSON,Stephen J. and NASH,Michael J. THE CONSERVATION OF GRASS AND FORAGE CROPS. LONDON: OLIVER & BOYD, 1960.

Παραπομπή MLA

WATSON,Stephen J. and NASH,Michael J. THE CONSERVATION OF GRASS AND FORAGE CROPS. OLIVER & BOYD, 1960.