Παραπομπή APA

Punmia, B. C. (1975). Surveying V.2. Standared book House.

Παραπομπή Chicago Style

Punmia, B C. Surveying V.2. Delhi: Standared book House, 1975.

Παραπομπή MLA

Punmia, B C. Surveying V.2. Standared book House, 1975.