APA Style
Pipe, Jim. (2003).
Kenapa Benda Jatuh? .
United Kingdom:
Erlangga.
Chicago Style
Pipe, Jim.
Kenapa Benda Jatuh?.
United Kingdom:
Erlangga,
2003.
.
MLA Style
Pipe, Jim.
Kenapa Benda Jatuh?.
United Kingdom:
Erlangga,
2003.
.
Turabian Style
Pipe, Jim.
Kenapa Benda Jatuh?.
United Kingdom:
Erlangga,
2003.
.