Kleymeyer, J. E., & Hartsock, P. (1973). Cincinnati's planning guidance system. American Society of Planning Officials.
Lua i Stíl Chicago (17ú heag.)Kleymeyer, John E., agus Paul Hartsock. Cincinnati's Planning Guidance System. Chicago: American Society of Planning Officials, 1973.
Lua MLA (9ú heag.)Kleymeyer, John E., agus Paul Hartsock. Cincinnati's Planning Guidance System. American Society of Planning Officials, 1973.
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