Παραπομπή APA

Van Niekerk, W. P., & Phillips, B. D. (1969). The retail structure of port Elizabeth: A summary report. Port Elizabeth: Institute for Planning Research, University of Port Elizabeth.

Παραπομπή Chicago Style

Van Niekerk, W. P., and B. D. Phillips. The Retail Structure of Port Elizabeth: A Summary Report. Port Elizabeth: Institute for Planning Research, University of Port Elizabeth, 1969.

Παραπομπή MLA

Van Niekerk, W. P., and B. D. Phillips. The Retail Structure of Port Elizabeth: A Summary Report. Port Elizabeth: Institute for Planning Research, University of Port Elizabeth, 1969.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.