APA
Porwal L. S., . (19861993). Accounting theory. New Delhi: Tata McGraw Hill.
Chicago
Porwal L S, . 19861993. Accounting theory. New Delhi: Tata McGraw Hill.
Harvard
Porwal L. S., . (19861993). Accounting theory. New Delhi: Tata McGraw Hill.
MLA
Porwal L S, . Accounting theory. New Delhi: Tata McGraw Hill. 19861993.