Hubbard, R. L. (2007). Handbook for preclears. New Era Publications.
Chicagoスタイル(17版)引用形式Hubbard, Ron L. Handbook for Preclears. Denmark: New Era Publications, 2007.
MLA(9版)引用形式Hubbard, Ron L. Handbook for Preclears. New Era Publications, 2007.
警告: この引用は必ずしも正確ではありません.