Gaya APA
Suhartono, ., Irawan, C.
(2011).
Simple Leadership DNA
.
Jakarta:
PT Gramedia Pustak Utama.
Gaya MLA
Suhartono, ., Irawan, Cyltamia.
"Simple Leadership DNA".
Jakarta:
PT Gramedia Pustak Utama,
2011.
UMUM.