APA
FRANK SMITH, A. S. HARRISON, . (1937). PRINCIPLES OF CLASS TEACHING. LONDON: THE ENGLISH LANGUAGE BOOK SOCIETY AND MACMILLAN & CO LTD.
Chicago
FRANK SMITH, A. S. HARRISON, . 1937. PRINCIPLES OF CLASS TEACHING. LONDON: THE ENGLISH LANGUAGE BOOK SOCIETY AND MACMILLAN & CO LTD.
Harvard
FRANK SMITH, A. S. HARRISON, . (1937). PRINCIPLES OF CLASS TEACHING. LONDON: THE ENGLISH LANGUAGE BOOK SOCIETY AND MACMILLAN & CO LTD.
MLA
FRANK SMITH, A. S. HARRISON, . PRINCIPLES OF CLASS TEACHING. LONDON: THE ENGLISH LANGUAGE BOOK SOCIETY AND MACMILLAN & CO LTD. 1937.