Gaya APA
Nana Rukmana, D Wirapradja. (2008).
Sembilan Puluh Sembilan (99) Ideas for Happy Leader (Cet. 2).
Bandung:
ZIP Books.
Gaya Chicago
Nana Rukmana, D Wirapradja.
Sembilan Puluh Sembilan (99) Ideas for Happy Leader.
Cet. 2
Bandung:
ZIP Books,
2008.
Text.
Gaya MLA
Nana Rukmana, D Wirapradja.
Sembilan Puluh Sembilan (99) Ideas for Happy Leader.
Cet. 2
Bandung:
ZIP Books,
2008.
Text.
Gaya Turabian
Nana Rukmana, D Wirapradja.
Sembilan Puluh Sembilan (99) Ideas for Happy Leader.
Cet. 2
Bandung:
ZIP Books,
2008.
Print.