Gaya APA
Seymour, D., Popova, M. (2005).
700 Classroom activities : Instant Lesoons for Busy teacher .
London:
Macmilan..
Gaya MLA
Seymour, David., Popova, Maria.
"700 Classroom activities : Instant Lesoons for Busy teacher".
London:
Macmilan.,
2005.
Buku.