APA (7e ed.) Bronvermelding
Head, K. H., & Epps, R. J. (2014). Manual of soil laboratory testing (Third edition.). Whittles Publishing.
Chicago (17e ed.) Bronvermelding
Head, K. H., en R. J. Epps. Manual of Soil Laboratory Testing. Third edition. Caithness, Scotland: Whittles Publishing, 2014.
MLA (9e ed.) Bronvermelding
Head, K. H., en R. J. Epps. Manual of Soil Laboratory Testing. Third edition. Whittles Publishing, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.