Hargreaves, G. (1998). Stress management: The essential guide to thinking and working smarter. Marshall Pub.
Chicago (17e ed.) BronvermeldingHargreaves, Gerard. Stress Management: The Essential Guide to Thinking and Working Smarter. London: Marshall Pub, 1998.
MLA (9e ed.) BronvermeldingHargreaves, Gerard. Stress Management: The Essential Guide to Thinking and Working Smarter. Marshall Pub, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.