APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

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.