Huff, D. L. (1962). Determination of intra-urban retail trade areas. California: University of California. Division of Research. Graduate School of Business Administration. Real Estate Research Program.
Παραπομπή Chicago StyleHuff, David L. Determination of Intra-urban Retail Trade Areas. California: University of California. Division of Research. Graduate School of Business Administration. Real Estate Research Program, 1962.
Παραπομπή MLAHuff, David L. Determination of Intra-urban Retail Trade Areas. California: University of California. Division of Research. Graduate School of Business Administration. Real Estate Research Program, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.