Abbs, B., & Freebairn, I. (1980). Building Strategies: Strategies 2. Longman.
Chicagoスタイル(17版)引用形式Abbs, Brian, , Ingrid Freebairn. Building Strategies: Strategies 2. England: Longman, 1980.
MLA(9版)引用形式Abbs, Brian, , Ingrid Freebairn. Building Strategies: Strategies 2. Longman, 1980.
警告: この引用は必ずしも正確ではありません.