Gaya APA

Brinker, R, C., Wolf, P, R. (1977). Elementary Surveying (Sixth Edition (Harper International Edition )). America: Harper & Row , Publisher, Inc.

Gaya MLA

Brinker, Russel, C.., Wolf, Paul, R.. "Elementary Surveying". Sixth Edition (Harper International Edition ) America: Harper & Row , Publisher, Inc, 1977. Text.