Gaya APA
Skehan, Peter. (1989).
Individual differences in second-language learning .
London:
Edward.
Gaya Chicago
Skehan, Peter.
Individual differences in second-language learning.
London:
Edward,
1989.
Text.
Gaya MLA
Skehan, Peter.
Individual differences in second-language learning.
London:
Edward,
1989.
Text.
Gaya Turabian
Skehan, Peter.
Individual differences in second-language learning.
London:
Edward,
1989.
Print.