Gaya APA

Barber, S, A. (1995). Soil nutrient bioavailability : a mechanistic approach / Stanley A. Barber (Ed.ke-2). New York: John Wiley n Sons.

Gaya MLA

Barber, Stanley, A.. "Soil nutrient bioavailability : a mechanistic approach / Stanley A. Barber". Ed.ke-2 New York: John Wiley n Sons, 1995. Textbook.