[Jimu sabisu kaizen teian handobukku. English] & Nihon HR Kyokai. (1990). The service industry idea book: Employee involvement in retail and office improvement. Productivity Press.
Chicago-referens (17:e uppl.)[Jimu sabisu kaizen teian handobukku. English] och Nihon HR Kyokai. The Service Industry Idea Book: Employee Involvement in Retail and Office Improvement. Cambridge: Productivity Press, 1990.
MLA-referens (9:e uppl.)[Jimu sabisu kaizen teian handobukku. English] och Nihon HR Kyokai. The Service Industry Idea Book: Employee Involvement in Retail and Office Improvement. Productivity Press, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.