Gaya APA
Suhartono, ., Irawan, C.
(2011).
Simple Leadership DNA
.
Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
Suhartono, ., Irawan, Cyltami.
"Simple Leadership DNA".
Jakarta:
PT. Gramedia Pustaka Utama,
2011.
Text.