Preston, R. E. Transition zone structure: The three-sector hypothesis. Town Planning Review.
Chicago (17e ed.) BronvermeldingPreston, Richard E. "Transition Zone Structure: The Three-sector Hypothesis." Town Planning Review .
MLA (9e ed.) BronvermeldingPreston, Richard E. "Transition Zone Structure: The Three-sector Hypothesis." Town Planning Review, .
Let op: Deze citaties zijn niet altijd 100% accuraat.