Gaya APA
ALPERT, J, S., RIPPE, J, M. (1981).
Manual of cardiovascular diagnosis and therapy (2nd ed.).
Boston:
Little Brown.
Gaya MLA
ALPERT, Joseph, S.., RIPPE, James, M..
"Manual of cardiovascular diagnosis and therapy".
2nd ed.
Boston:
Little Brown,
1981.
Buku.