APA
Barker N., . (1978). The oxford university press and the spread learning. At the clarendon press, Oxford: .
Chicago
Barker Nicolas, . 1978. The oxford university press and the spread learning. At the clarendon press, Oxford: .
Harvard
Barker N., . (1978). The oxford university press and the spread learning. At the clarendon press, Oxford: .
MLA
Barker Nicolas, . The oxford university press and the spread learning. At the clarendon press, Oxford: . 1978.