Gaya APA

ORME, J. et al (2007). Public Health for the 21 st Century ; New Perspectives on Policy, Participation and Practice. EBOOK. (Second Edition). London: The McGraw-Hill Companies.

Gaya MLA

ORME, Judy. et al. "Public Health for the 21 st Century ; New Perspectives on Policy, Participation and Practice. EBOOK.". Second Edition London: The McGraw-Hill Companies, 2007. Text.