APA Style
Ir Fahmi Sofyan, M.Hum. (2017).
Conversation and Correspondence in Business English (Ed.1).
Sumatera Utara:
pustaka Tarbiyah Baru.
Chicago Style
Ir Fahmi Sofyan, M.Hum.
Conversation and Correspondence in Business English.
Ed.1
Sumatera Utara:
pustaka Tarbiyah Baru,
2017.
Text.
MLA Style
Ir Fahmi Sofyan, M.Hum.
Conversation and Correspondence in Business English.
Ed.1
Sumatera Utara:
pustaka Tarbiyah Baru,
2017.
Text.
Turabian Style
Ir Fahmi Sofyan, M.Hum.
Conversation and Correspondence in Business English.
Ed.1
Sumatera Utara:
pustaka Tarbiyah Baru,
2017.
Print.