Gaya APA
Amos, J., Spenceley, A.
(2004).
Problem Solvers: Why Be Bossy?
.
Yogyakarta:
Penerbit kanisius.
Gaya MLA
Amos, Janine., Spenceley, Annabel.
"Problem Solvers: Why Be Bossy?".
Yogyakarta:
Penerbit kanisius,
2004.
Text.