APA Style
Courtesy. (Early Childhood Publications Singapore 1996).
:
Gramedia.
Chicago Style
Courtesy.
-.
:
Gramedia,
Early Childhood Publications Singapore 1996.
Printed Book.
MLA Style
Courtesy.
-.
:
Gramedia,
Early Childhood Publications Singapore 1996.
Printed Book.
Turabian Style
Courtesy.
:
Gramedia,
Early Childhood Publications Singapore 1996.
Printed Book.