APA
Walgenbach P. H., Hanson E. I. j. a. & Hamre J. C. j. a. (1990). Principles of accounting. San Diego: Harcourt Brace Jovanovich.
Chicago
Walgenbach Paul H, Hanson Ernest I joint author and Hamre James C joint author. 1990. Principles of accounting. San Diego: Harcourt Brace Jovanovich.
Harvard
Walgenbach P. H., Hanson E. I. j. a. and Hamre J. C. j. a. (1990). Principles of accounting. San Diego: Harcourt Brace Jovanovich.
MLA
Walgenbach Paul H, Hanson Ernest I joint author and Hamre James C joint author. Principles of accounting. San Diego: Harcourt Brace Jovanovich. 1990.