Hartmann, P. (2000). Quest: Listening and Speaking in the Academic Work-Book 1 (Có sách). Boston: Mc GrawHill.
Chicago Style citaatHartmann, Pamela. Quest: Listening and Speaking in the Academic Work-Book 1 (Có Sách). Boston: Mc GrawHill, 2000.
MLA citatieHartmann, Pamela. Quest: Listening and Speaking in the Academic Work-Book 1 (Có Sách). Boston: Mc GrawHill, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.