Barrett, H. (1981). Speaking practically. Holt Rinehart & Winstor.
Chicagoスタイル(17版)引用形式Barrett, Harold. Speaking Practically. New York: Holt Rinehart & Winstor, 1981.
MLA(9版)引用形式Barrett, Harold. Speaking Practically. Holt Rinehart & Winstor, 1981.
警告: この引用は必ずしも正確ではありません.