Gaya APA

Walpole, R, E., Freund, J, E. (1980). Mathematical statistics / John E. Freund, Ronald E. Walpole (Ed.ke-3). London: Prentice-Hal International.

Gaya MLA

Walpole, Ronald, E.., Freund, John, E.. "Mathematical statistics / John E. Freund, Ronald E. Walpole". Ed.ke-3 London: Prentice-Hal International, 1980. Textbook.