APA Style
Keajaiban Alam. (Widyadara Jakarta 1990).
:
Gramedia.
Chicago Style
Keajaiban Alam.
-.
:
Gramedia,
Widyadara Jakarta 1990.
Printed Book.
MLA Style
Keajaiban Alam.
-.
:
Gramedia,
Widyadara Jakarta 1990.
Printed Book.
Turabian Style
Keajaiban Alam.
:
Gramedia,
Widyadara Jakarta 1990.
Printed Book.