APA
Shearring H. A. &. C. B. C., . (1970). Talks and how to give them or say what you mean. George allen and unwin ltd, London: .
Chicago
Shearring H A & Christian B C, . 1970. Talks and how to give them or say what you mean. George allen and unwin ltd, London: .
Harvard
Shearring H. A. &. C. B. C., . (1970). Talks and how to give them or say what you mean. George allen and unwin ltd, London: .
MLA
Shearring H A & Christian B C, . Talks and how to give them or say what you mean. George allen and unwin ltd, London: . 1970.