Gallagher, N. Delta's next generation toefel test. Delta publishing company.
Chicagoスタイル(17版)引用形式Gallagher, Nancy. Delta's Next Generation Toefel Test. New York: Delta publishing company.
MLA(9版)引用形式Gallagher, Nancy. Delta's Next Generation Toefel Test. Delta publishing company.
警告: この引用は必ずしも正確ではありません.