APA (7e ed.) Bronvermelding
Punmia, B., Jain, A. K., & Jain, A. K. (1990). Surveying: Field astronomy, photogrammetric surveying, electromagnetic distance measurement (EDM) (9th ed.). Laxmi Publications.
Chicago (17e ed.) Bronvermelding
Punmia, B.C, Ashok Kumar Jain, en Arun Kumar Jain. Surveying: Field Astronomy, Photogrammetric Surveying, Electromagnetic Distance Measurement (EDM). 9th ed. New Delhi: Laxmi Publications, 1990.
MLA (9e ed.) Bronvermelding
Punmia, B.C, et al. Surveying: Field Astronomy, Photogrammetric Surveying, Electromagnetic Distance Measurement (EDM). 9th ed. Laxmi Publications, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.