APA-viite (7. p.)

STEWART IAN. (1987). BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. I C A ENGLAND KOGAN PAGE LTD.

Chicago-viite (17. p.)

STEWART IAN. BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. LONDON: I C A ENGLAND KOGAN PAGE LTD, 1987.

MLA-viite (9. p.)

STEWART IAN. BUSINESS WRITING WORK BOOK: A GUIDE TO DEFENSIVE WRITING SKILLS. I C A ENGLAND KOGAN PAGE LTD, 1987.