Dyfyniad APA

Croxton, F. E., & Cowden, D. J. (1960). Practical business statistics (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Croxton, Frederic Emory, and Dudley J. Cowden. Practical Business Statistics. 3rd ed. Englewood Cliffs, N. J: Prentice-Hall, 1960.

Dyfyniad MLA

Croxton, Frederic Emory, and Dudley J. Cowden. Practical Business Statistics. 3rd ed. Prentice-Hall, 1960.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.