FRANK, M. (1972). Modern english: Exercises for non-native speakers .. Prentice-Hall.
Chicagoスタイル(17版)引用形式FRANK, Marcella. Modern English: Exercises for Non-native Speakers .. New Jersey: Prentice-Hall, 1972.
MLA(9版)引用形式FRANK, Marcella. Modern English: Exercises for Non-native Speakers .. Prentice-Hall, 1972.
警告: この引用は必ずしも正確ではありません.