APA

Pheby J., Schmidt J., . (1991). The Oxford-Duden pictorial English dictionary. Oxford: Oxford University Press.

Chicago

Pheby John, Schmidt Jochen, . 1991. The Oxford-Duden pictorial English dictionary. Oxford: Oxford University Press.

Harvard

Pheby J., Schmidt J., . (1991). The Oxford-Duden pictorial English dictionary. Oxford: Oxford University Press.

MLA

Pheby John, Schmidt Jochen, . The Oxford-Duden pictorial English dictionary. Oxford: Oxford University Press. 1991.