Bucaoto, A. P. (1972). Paper folding: An instructional device in the teaching of geometry.
芝加哥风格引文Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. Quezon City, 1972.
MLA引文Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. 1972.
警告：这些引文格式不一定是100％准确.