Gaya APA

Welsch, G, A. et al (1998). BUDGETING PROFIT PLANNING AND CONTROL . Singapura: Prentice-Hall Iternational, Inc.

Gaya MLA

Welsch, Glenn, A.. et al. "BUDGETING PROFIT PLANNING AND CONTROL". Singapura: Prentice-Hall Iternational, Inc, 1998. Text.