Walker, R. L. Urban sub-areas as sampling frameworks: A further development. Town Planning Review.
Chicago Style (17th ed.) CitationWalker, Robert L. "Urban Sub-areas as Sampling Frameworks: A Further Development." Town Planning Review .
MLA (9th ed.) CitationWalker, Robert L. "Urban Sub-areas as Sampling Frameworks: A Further Development." Town Planning Review, .
Warning: These citations may not always be 100% accurate.