Gray David E. (2009). Doing Research in the Real World (2nd.). Sage Pub.
Chicagoスタイル(17版)引用形式Gray David E. Doing Research in the Real World. 2nd. London: Sage Pub, 2009.
MLA(9版)引用形式Gray David E. Doing Research in the Real World. 2nd. Sage Pub, 2009.
警告: この引用は必ずしも正確ではありません.