Posamentier, A. S. (2002). Advanced Euclidean geometry: Excursions for secondary teachers and students. Emeryville, CA: Key College Pub..
Dyfyniad Arddull ChicagoPosamentier, Alfred S. Advanced Euclidean Geometry: Excursions for Secondary Teachers and Students. Emeryville, CA: Key College Pub., 2002.
Dyfyniad MLAPosamentier, Alfred S. Advanced Euclidean Geometry: Excursions for Secondary Teachers and Students. Emeryville, CA: Key College Pub., 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.