MLA

Ichppc-2 International Classification of Health Problems In Primary Care (1979 Revision). Oxford: Oxford University Press, 1979.

APA

(1979). ICHPPC-2 International Classification of Health Problems in Primary Care (1979 revision). Oxford: Oxford University Press.

Chicago

ICHPPC-2 International Classification of Health Problems In Primary Care (1979 Revision). Oxford: Oxford University Press, 1979.