Gaya APA
Patty, O.F.. (1995).
Tenaga air / O.F. Patty .
Jakarta:
Erlangga.
Gaya Chicago
Patty, O.F..
Tenaga air / O.F. Patty.
Jakarta:
Erlangga,
1995.
Text.
Gaya MLA
Patty, O.F..
Tenaga air / O.F. Patty.
Jakarta:
Erlangga,
1995.
Text.
Gaya Turabian
Patty, O.F..
Tenaga air / O.F. Patty.
Jakarta:
Erlangga,
1995.
Print.