Baerwald, D. A. (1968). A survey of planning information in standard reference books. Council of Planning Librarians.
Citace podle Chicago (17th ed.)Baerwald, Diane A. A Survey of Planning Information in Standard Reference Books. Monticello, Ill: Council of Planning Librarians, 1968.
Citace podle MLA (9th ed.)Baerwald, Diane A. A Survey of Planning Information in Standard Reference Books. Council of Planning Librarians, 1968.
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