Gaya APA

Lockerbie, L., Lutz,W, . (1986). Community Health Surveys : A Practical Guide for Health Workers : 4 Quistionaire Design . Geneva: International Epidemiological Association.

Gaya MLA

Lockerbie, Linda., Lutz,W, . "Community Health Surveys : A Practical Guide for Health Workers : 4 Quistionaire Design". Geneva: International Epidemiological Association, 1986. print.