Penggayaan APA
Ryan, Frank, Setphen Ray. (1993).
Pollution Begins at Home .
Melbourne:
Macmillan Education Australia Pty Ltd.
Chicago Style
Ryan, Frank, Setphen Ray.
Pollution Begins at Home.
Melbourne:
Macmillan Education Australia Pty Ltd,
1993.
Text.
MLA Style
Ryan, Frank, Setphen Ray.
Pollution Begins at Home.
Melbourne:
Macmillan Education Australia Pty Ltd,
1993.
Text.
Turabian Style
Ryan, Frank, Setphen Ray.
Pollution Begins at Home.
Melbourne:
Macmillan Education Australia Pty Ltd,
1993.
Print.