American Psychological Association
Wheeler, Harold, & Harold, Wheeler ( 1992 ). International Encyclopaedia of Facts V.1 ( 00 ed. ). Cassell & Company Ltd.
Modern Language Association
Wheeler, Harold and Harold, Wheeler. International Encyclopaedia of Facts V.1 . Cassell & Company Ltd. 1992
Chicago Citation
Wheeler, Harold and Harold, Wheeler. International Encyclopaedia of Facts V.1 . 00 .London
: Cassell & Company Ltd, 1992.
American Medical Association
Wheeler, Harold and Harold, Wheeler. International Encyclopaedia of Facts V.1 . Cassell & Company Ltd; 1992.