APA Style
Harefa, Andrias. (2001).
Mutiara pembelajar .
Yogyakarta:
Gloria Cyber Ministries.
Chicago Style
Harefa, Andrias.
Mutiara pembelajar.
Yogyakarta:
Gloria Cyber Ministries,
2001.
Printed Material.
MLA Style
Harefa, Andrias.
Mutiara pembelajar.
Yogyakarta:
Gloria Cyber Ministries,
2001.
Printed Material.
Turabian Style
Harefa, Andrias.
Mutiara pembelajar.
Yogyakarta:
Gloria Cyber Ministries,
2001.
Printed Material.