Gaya APA
Dr. Ir. Samuel Tarigan, MBA. (2013).
I Am A Difference Maker (Cet. 1).
Bandung:
PT. Visi Anugerah Indonesia.
Gaya Chicago
Dr. Ir. Samuel Tarigan, MBA.
I Am A Difference Maker.
Cet. 1
Bandung:
PT. Visi Anugerah Indonesia,
2013.
Text.
Gaya MLA
Dr. Ir. Samuel Tarigan, MBA.
I Am A Difference Maker.
Cet. 1
Bandung:
PT. Visi Anugerah Indonesia,
2013.
Text.
Gaya Turabian
Dr. Ir. Samuel Tarigan, MBA.
I Am A Difference Maker.
Cet. 1
Bandung:
PT. Visi Anugerah Indonesia,
2013.
Print.