Gaya APA

Billings, D, M. (1982). Medical-surgical nursing: common health problems of adults and children across the life span . ST. Louis: C.V. Mosby Company.

Gaya MLA

Billings, Diane, McGovern. "Medical-surgical nursing: common health problems of adults and children across the life span". ST. Louis: C.V. Mosby Company, 1982. Text.