Viney, P., & Viney, K. (2005). In English: Pre-Intermediate. Grammar Practice Book. Oxford: Oxford Univ. Press.
Chicago Style citaatViney, Peter, en Karen Viney. In English: Pre-Intermediate. Grammar Practice Book. Oxford: Oxford Univ. Press, 2005.
MLA citatieViney, Peter, en Karen Viney. In English: Pre-Intermediate. Grammar Practice Book. Oxford: Oxford Univ. Press, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.