APA (7e ed.) Bronvermelding
Apparao, K., & Rao, V. (2016). Soil testing laboratory manual and question bank. University Science Press.
Chicago (17e ed.) Bronvermelding
Apparao, K.V.S, en V.C.S Rao. Soil Testing Laboratory Manual and Question Bank. Kolkata: University Science Press, 2016.
MLA (9e ed.) Bronvermelding
Apparao, K.V.S, en V.C.S Rao. Soil Testing Laboratory Manual and Question Bank. University Science Press, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.