ebrary, Inc, Fisher, P. F., & Unwin, D. (2002). Virtual reality in geography. Taylor & Francis.
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Dyfyniad Arddull Chicago
ebrary, Inc, Peter F. Fisher, and D. Unwin. Virtual Reality in Geography. London: Taylor & Francis, 2002.
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Dyfyniad MLA
ebrary, Inc, et al. Virtual Reality in Geography. Taylor & Francis, 2002.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.