Hutchinson, T., Phạm, T. Đ., & Nguyễn, V. K. (2002). Lifelines: Elementary student's book & vocalbulary. Oxford; Hà Nội: Oxford University Press; Văn hóa thông tin.
Styl cytowania ChicagoHutchinson, Tom, Trọng Đạt Phạm, i Văn Khoa Nguyễn. Lifelines: Elementary Student's Book & Vocalbulary. Oxford; Hà Nội: Oxford University Press; Văn hóa thông tin, 2002.
Styl cytowania MLAHutchinson, Tom, Trọng Đạt Phạm, i Văn Khoa Nguyễn. Lifelines: Elementary Student's Book & Vocalbulary. Oxford; Hà Nội: Oxford University Press; Văn hóa thông tin, 2002.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..