Gaya APA
Hermanson, . (1989).
Study guide use with accounting principles( volume I (chapters 1-4 ) (4th ed.).
America:
Richard D. Irwin, Inc..
Gaya MLA
Hermanson, .
"Study guide use with accounting principles( volume I (chapters 1-4 )".
4th ed.
America:
Richard D. Irwin, Inc.,
1989.
Text.