Gaya APA
peale, N, V.
(2015).
The Power OF positive thinking
(
1)
.
Surabaya:
PT Menuju Insan Cemerlang.
Gaya MLA
peale, Norman, Vincent.
"The Power OF positive thinking".
1
Surabaya:
PT Menuju Insan Cemerlang,
2015.
Text.