Tohutoro APA (7th ed.)

Smith, C. (1982). A handbook of work sampling procedures: A reference for those attending the Industrial Service Work Sampling Procedures Workshop. North Carolina State University.

Tohutoru Kātū Chicago (17th ed.)

Smith, C.L. A Handbook of Work Sampling Procedures: A Reference for Those Attending the Industrial Service Work Sampling Procedures Workshop. Raleigh, North Carolina: North Carolina State University, 1982.

Tohutoro MLA (9th ed.)

Smith, C.L. A Handbook of Work Sampling Procedures: A Reference for Those Attending the Industrial Service Work Sampling Procedures Workshop. North Carolina State University, 1982.