Karl, K. F. (1968). Industrial parks and districts: An annotated bibliography. Council of Planning Librarians.
Citace podle Chicago (17th ed.)Karl, Kenyon F. Industrial Parks and Districts: An Annotated Bibliography. Monticello, Ill: Council of Planning Librarians, 1968.
Citace podle MLA (9th ed.)Karl, Kenyon F. Industrial Parks and Districts: An Annotated Bibliography. Council of Planning Librarians, 1968.
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