Gaya APA
Saputra, D, L.
(2013).
THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE
.
Tangerang Selatan:
Binarupa Akasara.
Gaya MLA
Saputra, Dr., Lyndon.
"THE 7 HABITS OF HIGHLY EFFECTIVE PEOPLE".
Tangerang Selatan:
Binarupa Akasara,
2013.
Text.