APA Style
HEO, SOON BONG, PAPYRUS. (2007).
WHY ? : HAPPY SCIENCE 6 .
JAKARTA:
PT ELEX MEDIA KOMPUTINDO.
Chicago Style
HEO, SOON BONG, PAPYRUS.
WHY ? : HAPPY SCIENCE 6.
JAKARTA:
PT ELEX MEDIA KOMPUTINDO,
2007.
Text.
MLA Style
HEO, SOON BONG, PAPYRUS.
WHY ? : HAPPY SCIENCE 6.
JAKARTA:
PT ELEX MEDIA KOMPUTINDO,
2007.
Text.
Turabian Style
HEO, SOON BONG, PAPYRUS.
WHY ? : HAPPY SCIENCE 6.
JAKARTA:
PT ELEX MEDIA KOMPUTINDO,
2007.
Print.