APA

Aspinall T., . (1999). Advanced Masterclass. CAE. : Oxford University Press.

Chicago

Aspinall T, . 1999. Advanced Masterclass. CAE. : Oxford University Press.

Harvard

Aspinall T., . (1999). Advanced Masterclass. CAE. : Oxford University Press.

MLA

Aspinall T, . Advanced Masterclass. CAE. : Oxford University Press. 1999.