Παραπομπή APA

Thomas, P. A., & Padmanabhan, K. (1991). District planning: A micro analysis of north arct district. northern book centre.

Παραπομπή Chicago Style

Thomas, P. A., και K. Padmanabhan. District Planning: A Micro Analysis of North Arct District. New delhi: northern book centre, 1991.

Παραπομπή MLA

Thomas, P. A., και K. Padmanabhan. District Planning: A Micro Analysis of North Arct District. northern book centre, 1991.