APA
Oriovius K, Beringer H, . (1988). Nutrient requirements of beans and peas. Subject 10-Grassland and fodder crops. : Potash Review.
Chicago
Oriovius K, Beringer H, . 1988. Nutrient requirements of beans and peas. Subject 10-Grassland and fodder crops. : Potash Review.
Harvard
Oriovius K, Beringer H, . (1988). Nutrient requirements of beans and peas. Subject 10-Grassland and fodder crops. : Potash Review.
MLA
Oriovius K, Beringer H, . Nutrient requirements of beans and peas. Subject 10-Grassland and fodder crops. : Potash Review. 1988.