Gaya APA

Williams, L., Wilkins, . (1999). Health Care Information for the New Millenium : 1999 Catalogue . Philadelphia: Lippincott Williams \r Wilkins.

Gaya MLA

Williams, Lippincott., Wilkins, . "Health Care Information for the New Millenium : 1999 Catalogue". Philadelphia: Lippincott Williams \r Wilkins, 1999. print.