APA

Walker H. M., Lev J., . (1953). Statistical inference. New York: Holt.

Chicago

Walker Helen Mary, Lev Joseph, . 1953. Statistical inference. New York: Holt.

Harvard

Walker H. M., Lev J., . (1953). Statistical inference. New York: Holt.

MLA

Walker Helen Mary, Lev Joseph, . Statistical inference. New York: Holt. 1953.