Gaya APA
Kusuma, Y.
(2010).
Creative Problem Solving
(
Cetakan Pertama, 2010)
.
Solo:
Rumah Pengetahuan.
Gaya MLA
Kusuma, Yuriadi.
"Creative Problem Solving".
Cetakan Pertama, 2010
Solo:
Rumah Pengetahuan,
2010.
Book.