APA

Hanfling O., . (1980). Fundamental problems in philosophy. Oxford: B. Blackwell : in association with The Open University Press.

Chicago

Hanfling Oswald, . 1980. Fundamental problems in philosophy. Oxford: B. Blackwell : in association with The Open University Press.

Harvard

Hanfling O., . (1980). Fundamental problems in philosophy. Oxford: B. Blackwell : in association with The Open University Press.

MLA

Hanfling Oswald, . Fundamental problems in philosophy. Oxford: B. Blackwell : in association with The Open University Press. 1980.