APA Style
PETTY, James C. (2004).
Step by step = selangkah demi selangkah, c.1-6 .
Surabaya:
Momentum.
Chicago Style
PETTY, James C.
Step by step = selangkah demi selangkah, c.1-6.
Surabaya:
Momentum,
2004.
Text.
MLA Style
PETTY, James C.
Step by step = selangkah demi selangkah, c.1-6.
Surabaya:
Momentum,
2004.
Text.
Turabian Style
PETTY, James C.
Step by step = selangkah demi selangkah, c.1-6.
Surabaya:
Momentum,
2004.
Print.