Gaya APA

Langenderfer, Harold Q.. (1988). Income Tax Procedure . Cincinnati: South-Western.

Gaya Chicago

Langenderfer, Harold Q.. Income Tax Procedure. Cincinnati: South-Western, 1988. .

Gaya MLA

Langenderfer, Harold Q.. Income Tax Procedure. Cincinnati: South-Western, 1988. .

Gaya Turabian

Langenderfer, Harold Q.. Income Tax Procedure. Cincinnati: South-Western, 1988. .