Cita APA (7th ed.)

JOHNSON, P. 0. (1949). Statistical methods in research.: Palmer O. Johnson. Prentice-Hall.

Cita Chicago (17th ed.)

JOHNSON, Palmer 0. Statistical Methods in Research.: Palmer O. Johnson. Englewood Cliffs: Prentice-Hall, 1949.

Cita MLA (9th ed.)

JOHNSON, Palmer 0. Statistical Methods in Research.: Palmer O. Johnson. Prentice-Hall, 1949.