Gaya APA

Cardiac surgery 2. (1971). Surakarta: .

Gaya Chicago

Cardiac surgery 2. . Surakarta: , 1971. Text.

Gaya MLA

Cardiac surgery 2. . Surakarta: , 1971. Text.

Gaya Turabian

Cardiac surgery 2. Surakarta: , 1971. Print.