Cita APA

Plucknett,Donald L, & Sprague,Howard B. (1990). Detecting Mineral Nutrient Deficiencies in Tropicial and Temprate crops. International Book Distributors.

Chicago Edition Citation

Plucknett,Donald L, i Sprague,Howard B. Detecting Mineral Nutrient Deficiencies in Tropicial and Temprate Crops. Dehra Dun: International Book Distributors, 1990.

Cita MLA

Plucknett,Donald L, i Sprague,Howard B. Detecting Mineral Nutrient Deficiencies in Tropicial and Temprate Crops. International Book Distributors, 1990.