KOLAY A K. (2007). MANURES AND FERTILIZERS. ATLANTIC PUBLISHERS & DISTRIBUTERS, NEW DELHI.
Cita Chicago (17th ed.)KOLAY A K. MANURES AND FERTILIZERS. ATLANTIC PUBLISHERS & DISTRIBUTERS, NEW DELHI, 2007.
Cita MLA (9th ed.)KOLAY A K. MANURES AND FERTILIZERS. ATLANTIC PUBLISHERS & DISTRIBUTERS, NEW DELHI, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.