APA-referens (7:e uppl.)

Oller, J. W. (1979). Languaje tests at scholl: Pragmatic approach. Longman Group.

Chicago-referens (17:e uppl.)

Oller, John W. Languaje Tests at Scholl: Pragmatic Approach. Essex: Longman Group, 1979.

MLA-referens (9:e uppl.)

Oller, John W. Languaje Tests at Scholl: Pragmatic Approach. Longman Group, 1979.