Gaya APA
Ward, Brian. (2009).
Ensiklopedia Pertamaku: Sains .
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Ward, Brian.
Ensiklopedia Pertamaku: Sains.
Jakarta:
PT Elex Media Komputindo,
2009.
Art Original.
Gaya MLA
Ward, Brian.
Ensiklopedia Pertamaku: Sains.
Jakarta:
PT Elex Media Komputindo,
2009.
Art Original.
Gaya Turabian
Ward, Brian.
Ensiklopedia Pertamaku: Sains.
Jakarta:
PT Elex Media Komputindo,
2009.
Art Original.