Παραπομπή APA

Schreiber, A. F. (1971). Economics of Urban problems an introduction. Houghton Mifflin.

Παραπομπή Chicago Style

Schreiber, Arthur F. Economics of Urban Problems an Introduction. Boston: Houghton Mifflin, 1971.

Παραπομπή MLA

Schreiber, Arthur F. Economics of Urban Problems an Introduction. Houghton Mifflin, 1971.