APA
Barnett J. B. G. &. G. T., . (1968). Teacher's handbook 1. Penguin Books, Middlesex: .
Chicago
Barnett J Broughton Geoffrey & Greenwood Thomas, . 1968. Teacher's handbook 1. Penguin Books, Middlesex: .
Harvard
Barnett J. B. G. &. G. T., . (1968). Teacher's handbook 1. Penguin Books, Middlesex: .
MLA
Barnett J Broughton Geoffrey & Greenwood Thomas, . Teacher's handbook 1. Penguin Books, Middlesex: . 1968.