APA aipamena

O' Toole, A. (1960). Elementary practical statistics. Macmillan company.

Chicago Style aipamena

O' Toole, A.L. Elementary Practical Statistics. NewYork: Macmillan company, 1960.

MLA aipamena

O' Toole, A.L. Elementary Practical Statistics. Macmillan company, 1960.