R. B. GUPTA. (1975). A TEXT BOOK OF SERVEYING । (1st.). Shri R.P. handa; Prop. Satya Prakashan.
Chicago (17e ed.) BronvermeldingR. B. GUPTA. A TEXT BOOK OF SERVEYING ।. 1st. New Delhi-110005: Shri R.P. handa; Prop. Satya Prakashan, 1975.
MLA (9e ed.) BronvermeldingR. B. GUPTA. A TEXT BOOK OF SERVEYING ।. 1st. Shri R.P. handa; Prop. Satya Prakashan, 1975.
Let op: Deze citaties zijn niet altijd 100% accuraat.