Gaya APA

Strang, R., ), E, H, {, E, A. (1982). Breast-feeding in practice a manual for health workers . New York: Oxford University Press.

Gaya MLA

Strang, Ruth., ), Elisabet, Helsing, {, Et, Al. "Breast-feeding in practice a manual for health workers". New York: Oxford University Press, 1982. Text.