Gaya APA
Quinlivan-Hall, D., Renner, P. (1994).
In search of solutions : sixty ways to guide your problem-solving group .
Singapore:
Toppan.
Gaya MLA
Quinlivan-Hall, David., Renner, Peter.
"In search of solutions : sixty ways to guide your problem-solving group".
Singapore:
Toppan,
1994.
Text.