APA

Walgenbach P. H. H. I. D. . N. E., .Principles of Accounting. New York : Harcourt Brace Jovanovich,1987: .

Chicago

Walgenbach Paul H Hanson,Ernest I Dittrich Norman E, .Principles of Accounting. New York : Harcourt Brace Jovanovich,1987: .

Harvard

Walgenbach P. H. H. I. D. . N. E., .Principles of Accounting. New York : Harcourt Brace Jovanovich,1987: .

MLA

Walgenbach Paul H Hanson,Ernest I Dittrich Norman E, .New York : Harcourt Brace Jovanovich,1987: . .