APA ציטוט

Havlin, J. L. (2005). Soil fertility and fertilizers: An Introduction to Nutrient Management. Prentice Hall of India Pvt.Ltd.

Chicago Edition Citation

Havlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. New Delhi: Prentice Hall of India Pvt.Ltd, 2005.

ציטוט MLA

Havlin, John L. Soil Fertility and Fertilizers: An Introduction to Nutrient Management. Prentice Hall of India Pvt.Ltd, 2005.