TAYLOR SHIRLEY [A]. (2006). MODEL BUSINESS LETTERS E-MAILS OTHER BUSINESS DOCUMENTS (6TH ED.). PEARSON EDUCATION.
Chicago Style aipamenaTAYLOR SHIRLEY [A]. MODEL BUSINESS LETTERS E-MAILS OTHER BUSINESS DOCUMENTS. 6TH ED. NEW DELHI: PEARSON EDUCATION, 2006.
MLA aipamenaTAYLOR SHIRLEY [A]. MODEL BUSINESS LETTERS E-MAILS OTHER BUSINESS DOCUMENTS. 6TH ED. PEARSON EDUCATION, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.