APA Style
HELLER, Robert. (2008).
BILL GATES .
JAKARTA:
Erlangga.
Chicago Style
HELLER, Robert.
BILL GATES.
JAKARTA:
Erlangga,
2008.
Teks Book.
MLA Style
HELLER, Robert.
BILL GATES.
JAKARTA:
Erlangga,
2008.
Teks Book.
Turabian Style
HELLER, Robert.
BILL GATES.
JAKARTA:
Erlangga,
2008.
Teks Book.