Παραπομπή APA

Dickerson, W. E., & Stone, L. D. (1961). Federal Income tax fundamentals.

Παραπομπή Chicago Style

Dickerson, William E., και Leo D. Stone. Federal Income Tax Fundamentals. 1961.

Παραπομπή MLA

Dickerson, William E., και Leo D. Stone. Federal Income Tax Fundamentals. 1961.