Gaya APA
ROBERTS, William C. (1990).
Cardiology 1990 .
Boston:
Butterworth Heinemann Elsevier.
Gaya Chicago
ROBERTS, William C.
Cardiology 1990.
Boston:
Butterworth Heinemann Elsevier,
1990.
Buku Text.
Gaya MLA
ROBERTS, William C.
Cardiology 1990.
Boston:
Butterworth Heinemann Elsevier,
1990.
Buku Text.
Gaya Turabian
ROBERTS, William C.
Cardiology 1990.
Boston:
Butterworth Heinemann Elsevier,
1990.
Buku Text.