Gaya APA
Bushnell, G., Morel, F. (1980).
Think Aloud: English Improvisation Workshop, Student's Book .
London:
The Garden City Press.
Gaya MLA
Bushnell, Graham., Morel, Fiona.
"Think Aloud: English Improvisation Workshop, Student's Book".
London:
The Garden City Press,
1980.
Text.