APA

Petter H. M., . (1975). The Award illstrated dictionary. Oxford: Oxford Uni.

Chicago

Petter Helen Mary, . 1975. The Award illstrated dictionary. Oxford: Oxford Uni.

Harvard

Petter H. M., . (1975). The Award illstrated dictionary. Oxford: Oxford Uni.

MLA

Petter Helen Mary, . The Award illstrated dictionary. Oxford: Oxford Uni. 1975.