Gaya APA
Heller, Robert. (2008).
Warren Buffet .
jakarta:
Esensi Erlangga Group.
Gaya Chicago
Heller, Robert.
Warren Buffet.
jakarta:
Esensi Erlangga Group,
2008.
Text.
Gaya MLA
Heller, Robert.
Warren Buffet.
jakarta:
Esensi Erlangga Group,
2008.
Text.
Gaya Turabian
Heller, Robert.
Warren Buffet.
jakarta:
Esensi Erlangga Group,
2008.
Print.