Gerber, R. V. (1979). Development of competence and performance in cartographic language by children at the concrete level of map-reasoning.
Chicago Style (17th ed.) CitationGerber, Rodney Victor. Development of Competence and Performance in Cartographic Language by Children at the Concrete Level of Map-reasoning. 1979.
MLA引文Gerber, Rodney Victor. Development of Competence and Performance in Cartographic Language by Children at the Concrete Level of Map-reasoning. 1979.
警告：這些引文格式不一定是100％准確.