Gaya APA
KRAMES, J, A.
(2009).
Inside drucker's brain/ Krames, Jeffey A
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
KRAMES, Jeffrey, A..
"Inside drucker's brain/ Krames, Jeffey A".
Jakarta:
PT Gramedia Pustaka Utama,
2009.
Text.