Gaya APA
Eales, Rupet. (2002).
Leader .
Pearson, Prentice Hall, New Je:
PT Elex Media Komputindo.
Gaya Chicago
Eales, Rupet.
Leader.
Pearson, Prentice Hall, New Je:
PT Elex Media Komputindo,
2002.
Text.
Gaya MLA
Eales, Rupet.
Leader.
Pearson, Prentice Hall, New Je:
PT Elex Media Komputindo,
2002.
Text.
Gaya Turabian
Eales, Rupet.
Leader.
Pearson, Prentice Hall, New Je:
PT Elex Media Komputindo,
2002.
Print.