Dyfyniad APA

Luepker, R. V., & et..al. (2004). Cardiovascular survey methods (3rd ed.). World Health Organisation.

Dyfyniad Arddull Chicago

Luepker, Russell V., and et..al. Cardiovascular Survey Methods. 3rd ed. Geneva: World Health Organisation, 2004.

Dyfyniad MLA

Luepker, Russell V., and et..al. Cardiovascular Survey Methods. 3rd ed. World Health Organisation, 2004.

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