Roche, M. (2019). Business email: Write to win: Business English & Professional email writing Essentials: How ti writr email for work. Columbia (USA): Roche Publishing Business English Books.
Chicago Style aipamenaRoche, Marc. Business Email: Write to Win: Business English & Professional Email Writing Essentials: How Ti Writr Email for Work. Columbia (USA): Roche Publishing Business English Books, 2019.
MLA aipamenaRoche, Marc. Business Email: Write to Win: Business English & Professional Email Writing Essentials: How Ti Writr Email for Work. Columbia (USA): Roche Publishing Business English Books, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.