Gaya APA
Petty, James C.. (2004).
Selangkah Demi Selangkah = Step by Step .
Surabaya:
Momentum.
Gaya Chicago
Petty, James C..
Selangkah Demi Selangkah = Step by Step.
Surabaya:
Momentum,
2004.
Text.
Gaya MLA
Petty, James C..
Selangkah Demi Selangkah = Step by Step.
Surabaya:
Momentum,
2004.
Text.
Gaya Turabian
Petty, James C..
Selangkah Demi Selangkah = Step by Step.
Surabaya:
Momentum,
2004.
Print.