Holmes, W. (1980). Grass: Its production and utilization (2nd ed.). Blackwell Scientific Publications.
Chicago-referens (17:e uppl.)Holmes, W. Grass: Its Production and Utilization. 2nd ed. Oxford: Blackwell Scientific Publications, 1980.
MLA-referens (9:e uppl.)Holmes, W. Grass: Its Production and Utilization. 2nd ed. Blackwell Scientific Publications, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.