Gaya APA

M.Hum, M, N, S. (2026). Language and Etiquette in Professional Settings : A Guide to Academic and Business Communication . Sijunjung: Mitra Cendekia Media.

Gaya MLA

M.Hum, Mutia, Nasution,, S.Pd.,. "Language and Etiquette in Professional Settings : A Guide to Academic and Business Communication". Sijunjung: Mitra Cendekia Media, 2026. Text.