Lumsden, G., & Lumsden, D. L. (2003). Communicating with credibility and confidence: Diverse people, diverse settings (2nd ed.). Thomson/Wadsworth.
Chicago Style aipamenaLumsden, Gay, and Donald L. Lumsden. Communicating with Credibility and Confidence: Diverse People, Diverse Settings. 2nd ed. Australia ; Belmont, CA: Thomson/Wadsworth, 2003.
MLA aipamenaLumsden, Gay, and Donald L. Lumsden. Communicating with Credibility and Confidence: Diverse People, Diverse Settings. 2nd ed. Thomson/Wadsworth, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.