Raj, D. (1998). Sample survey theory. New Delhi: Narosa Publishing House.
シカゴスタイル引用形Raj, Des. Sample Survey Theory. New Delhi: Narosa Publishing House, 1998.
MLA引用形式Raj, Des. Sample Survey Theory. New Delhi: Narosa Publishing House, 1998.
警告: この引用は必ずしも正確ではありません.