APA

Engstrom J., Hay L., . (1999). Essentials of Accounting for Governmental and Not-for-profit Organizations. Boston: Irwin/McGraw-Hill.

Chicago

Engstrom J.H, Hay L.E, . 1999. Essentials of Accounting for Governmental and Not-for-profit Organizations. Boston: Irwin/McGraw-Hill.

Harvard

Engstrom J., Hay L., . (1999). Essentials of Accounting for Governmental and Not-for-profit Organizations. Boston: Irwin/McGraw-Hill.

MLA

Engstrom J.H, Hay L.E, . Essentials of Accounting for Governmental and Not-for-profit Organizations. Boston: Irwin/McGraw-Hill. 1999.