Wiseman, R. (2015). 59 seconds: Think a little, change a lot (Main Market ed.). Pan Books.
Dyfyniad Arddull ChicagoWiseman, Richard. 59 Seconds: Think a Little, Change a Lot. Main Market ed. London: Pan Books, 2015.
Dyfyniad MLAWiseman, Richard. 59 Seconds: Think a Little, Change a Lot. Main Market ed. Pan Books, 2015.
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