Room, A. (1998). NTC's dictionary of trade name origins (Rev. ed.). NTC Business Books ; Viva Books Pvt Ltd..

Room, Adrian. NTC's Dictionary of Trade Name Origins. Rev. ed. Lincolnwood, Ill., USA : New Delhi: NTC Business Books ; Viva Books Pvt Ltd., 1998.

Room, Adrian. NTC's Dictionary of Trade Name Origins. Rev. ed. NTC Business Books ; Viva Books Pvt Ltd., 1998.