Cita APA (7th ed.)

Clark, C. T., & Schkade, L. L. (1983). Statistical analysis for administrative decisions (4a. ed.). South-Western.

Cita Chicago (17th ed.)

Clark, Charles T., i Lawrence L. Schkade. Statistical Analysis for Administrative Decisions. 4a. ed. Cincinnati: South-Western, 1983.

Cita MLA (9th ed.)

Clark, Charles T., i Lawrence L. Schkade. Statistical Analysis for Administrative Decisions. 4a. ed. South-Western, 1983.