Citace podle APA (7th ed.)
World Health Organization. (1992). Twenty steps for developing of health and cities project. WHO.
Citace podle Chicago (17th ed.)
World Health Organization. Twenty Steps for Developing of Health and Cities Project. Ginebra: WHO, 1992.
Citace podle MLA (9th ed.)
World Health Organization. Twenty Steps for Developing of Health and Cities Project. WHO, 1992.
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