Gaya APA
Bowell, R, A.
(2004).
THE 7 STEPS OF SPIRITUAL QUOTIENT
(
Pertama)
.
Jakarta:
PT. Bhuana Ilmu Populer.
Gaya MLA
Bowell, Richard, A.
"THE 7 STEPS OF SPIRITUAL QUOTIENT".
Pertama
Jakarta:
PT. Bhuana Ilmu Populer,
2004.
Text.