APA
Greenhalgh T., . (2007). Primary health care. Malden, Mass: Blackwell Pub.
Chicago
Greenhalgh Trisha, . 2007. Primary health care. Malden, Mass: Blackwell Pub.
Harvard
Greenhalgh T., . (2007). Primary health care. Malden, Mass: Blackwell Pub.
MLA
Greenhalgh Trisha, . Primary health care. Malden, Mass: Blackwell Pub. 2007.