APA
Bernard Katz, . (1987). How to win more business by : phone, telex nd fax. Hutchinson Business, London: .
Chicago
Bernard Katz, . 1987. How to win more business by : phone, telex nd fax. Hutchinson Business, London: .
Harvard
Bernard Katz, . (1987). How to win more business by : phone, telex nd fax. Hutchinson Business, London: .
MLA
Bernard Katz, . How to win more business by : phone, telex nd fax. Hutchinson Business, London: . 1987.