Παραπομπή APA

Roger, B. G. (1980). How to prepare for the test of english an a foreign language. McGraw Hill Book Company.

Παραπομπή Chicago Style

Roger, B. Goodman. How to Prepare for the Test of English an a Foreign Language. New york: McGraw Hill Book Company, 1980.

Παραπομπή MLA

Roger, B. Goodman. How to Prepare for the Test of English an a Foreign Language. McGraw Hill Book Company, 1980.