Gaya APA

Williams, Roberta G. (1977). Echocardiographic Diagnosis of Congenital Heart Disese . Boston: Little, Brown and Company.

Gaya Chicago

Williams, Roberta G. Echocardiographic Diagnosis of Congenital Heart Disese. Boston: Little, Brown and Company, 1977. Buku Text.

Gaya MLA

Williams, Roberta G. Echocardiographic Diagnosis of Congenital Heart Disese. Boston: Little, Brown and Company, 1977. Buku Text.

Gaya Turabian

Williams, Roberta G. Echocardiographic Diagnosis of Congenital Heart Disese. Boston: Little, Brown and Company, 1977. Buku Text.