Gaya APA
Allan, ., Pease, B.
(2006).
Easy Peasy - People Skills for Life
(
Cet. 1)
.
Jakarta:
Network TwentyOne.
Gaya MLA
Allan, ., Pease, Barbara.
"Easy Peasy - People Skills for Life".
Cet. 1
Jakarta:
Network TwentyOne,
2006.
Text.