Gill, K. (1993). Process and portfolios in writing instruction. National Council of Teachers of English.
Chicagoスタイル(17版)引用形式Gill, Kent. Process and Portfolios in Writing Instruction. Urbana: National Council of Teachers of English, 1993.
MLA(9版)引用形式Gill, Kent. Process and Portfolios in Writing Instruction. National Council of Teachers of English, 1993.
警告: この引用は必ずしも正確ではありません.