Cita APA (7a ed.)

Cliff, N., & Keats, J. A. (2002). Ordinal Measurement in the Behavioral Sciences. Lawrence Erlbaum Associates.

Cita Chicago Style (17a ed.)

Cliff, Norman, y J. A. Keats. Ordinal Measurement in the Behavioral Sciences. Hoboken: Lawrence Erlbaum Associates, 2002.

Cita MLA (8a ed.)

Cliff, Norman, y J. A. Keats. Ordinal Measurement in the Behavioral Sciences. Lawrence Erlbaum Associates, 2002.