Newbrook J. Jacky & Wilson J. Judith. (2002). Pet Gold. Exam maximiser: Self-Study Edition. Harlow, Longman, 2002.
Čikaški stil citiranja (17. izdanje)Newbrook J. Jacky i Wilson J. Judith. Pet Gold. Exam Maximiser: Self-Study Edition. Harlow, Longman, 2002, 2002.
MLA način citiranja (9. izdanje)Newbrook J. Jacky i Wilson J. Judith. Pet Gold. Exam Maximiser: Self-Study Edition. Harlow, Longman, 2002, 2002.
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