APA
Engstrom J. H., Hay L. E., . (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. H., Hay L. E., . (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.