Gillman, P. (1978). Fitness on foot: Climbing and walking for pleasure. World's Work.
Dyfyniad Arddull ChicagoGillman, Peter. Fitness on Foot: Climbing and Walking for Pleasure. Great Britain: World's Work, 1978.
Dyfyniad MLAGillman, Peter. Fitness on Foot: Climbing and Walking for Pleasure. World's Work, 1978.
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