Watts, P. (1984). The potential for postbus development. Transport and Road Research Laboratory.
Chicagoスタイル(17版)引用形式Watts, P.F. The Potential for Postbus Development. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1984.
MLA(9版)引用形式Watts, P.F. The Potential for Postbus Development. Transport and Road Research Laboratory, 1984.
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