Gaya APA
Work Happy Kerja Nikmat Karier Melesat. (2005).
Jakarta:
Random House.
Gaya Chicago
Work Happy Kerja Nikmat Karier Melesat.
.
Jakarta:
Random House,
2005.
Buku.
Gaya MLA
Work Happy Kerja Nikmat Karier Melesat.
.
Jakarta:
Random House,
2005.
Buku.
Gaya Turabian
Work Happy Kerja Nikmat Karier Melesat.
Jakarta:
Random House,
2005.
Buku.