APA

Nord E., .Cost-Valu Analysis in health care : Making sense out QALY. New York: Cambridge University press.

Chicago

Nord Erik, .Cost-Valu Analysis in health care : Making sense out QALY. New York: Cambridge University press.

Harvard

Nord E., .Cost-Valu Analysis in health care : Making sense out QALY. New York: Cambridge University press.

MLA

Nord Erik, .New York: Cambridge University press. .