Gaya APA

Welsch, G, A., Shork, D, G. (1987). Working papers for use with fundamentals of financial accounting (5th.ed.). Illinois: Irwin.

Gaya MLA

Welsch, Glenn, A., Shork, Daniel, G. "Working papers for use with fundamentals of financial accounting". 5th.ed. Illinois: Irwin, 1987. Text.