Παραπομπή APA

Phillips, B. D., & De Coning, C. (1969). Secondary industry in the Port Elizabeth/Uitenhage region: A structural analysis. Port Elizabeth: Institute for Planning Research.

Παραπομπή Chicago Style

Phillips, B. D., and C. De Coning. Secondary Industry in the Port Elizabeth/Uitenhage Region: A Structural Analysis. Port Elizabeth: Institute for Planning Research, 1969.

Παραπομπή MLA

Phillips, B. D., and C. De Coning. Secondary Industry in the Port Elizabeth/Uitenhage Region: A Structural Analysis. Port Elizabeth: Institute for Planning Research, 1969.

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