Bucaoto, A. P. (1972). Paper folding: An instructional device in the teaching of geometry.
Citazione stile Chigago Style (17a edizione)Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. Quezon City, 1972.
Citatione MLA (9a ed.)Bucaoto, Avelino P. Paper Folding: An Instructional Device in the Teaching of Geometry. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.