Gaya APA

Enkin, M, W. (1999). A Guide to effective Care in pregnancy and chilbirth th. 1999( MKKB ) (2 - 1999). New York: .

Gaya MLA

Enkin, Murray, W.. "A Guide to effective Care in pregnancy and chilbirth th. 1999( MKKB )". 2 - 1999 New York: , 1999. Text.