APA

Johnson R. A., Bhattacharyya G. K., . (1987). Statistics: principles and methods. New York: Wiley.

Chicago

Johnson Richard Arnold, Bhattacharyya Gouri K, . 1987. Statistics: principles and methods. New York: Wiley.

Harvard

Johnson R. A., Bhattacharyya G. K., . (1987). Statistics: principles and methods. New York: Wiley.

MLA

Johnson Richard Arnold, Bhattacharyya Gouri K, . Statistics: principles and methods. New York: Wiley. 1987.