Nguyen Thi Lien Huong
Olly Richards
Collins
Hoàng Phê
Michael Swan
Oxford
Tieng Viet Oi
Peter Smagorinsky
Fiona Aish
Peter Lang
Larousse
Els Van Geyte
Nguyễn Minh Tiến
Michael Vince
Berlitz
Rosettastone
Cambridge
Ana Cristina Llompart
Lonely Planet
Frances Eales
Bookworm Hanoi