APA-viite (7. p.)

Wood, I. (2001). Pass Cambridge BEC Preliminary: Work book with answer key. Summertown Publishing.

Chicago-viite (17. p.)

Wood, Ian. Pass Cambridge BEC Preliminary: Work Book with Answer Key. Oxford: Summertown Publishing, 2001.

MLA-viite (8. p.)

Wood, Ian. Pass Cambridge BEC Preliminary: Work Book with Answer Key. Summertown Publishing, 2001.