APA Style
Harahap, Janny Hardi. (2010).
Belajar Keyboard Mudah & Praktis .
St Catharines:
Ekspresi.
Chicago Style
Harahap, Janny Hardi.
Belajar Keyboard Mudah & Praktis.
St Catharines:
Ekspresi,
2010.
Non-fiction.
MLA Style
Harahap, Janny Hardi.
Belajar Keyboard Mudah & Praktis.
St Catharines:
Ekspresi,
2010.
Non-fiction.
Turabian Style
Harahap, Janny Hardi.
Belajar Keyboard Mudah & Praktis.
St Catharines:
Ekspresi,
2010.
Non-fiction.