APA-ийн эшлэл(7 дахь хэвлэлт)

Pigors, P. J. W., & Pigors, F. (1961). Case method in human relations: The incident process. McGraw-Hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Pigors, Paul John William, ба Faith Pigors. Case Method in Human Relations: The Incident Process. New York: McGraw-Hill, 1961.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Pigors, Paul John William, ба Faith Pigors. Case Method in Human Relations: The Incident Process. McGraw-Hill, 1961.