Lua APA (7ú heag.)

Gumpel, H. J., & Boettcher, C. (1963). Taxation in the Federal Republic of Germany. Commerce Clearing House.

Lua i Stíl Chicago (17ú heag.)

Gumpel, Henry J., agus Carl Boettcher. Taxation in the Federal Republic of Germany. Chicago: Commerce Clearing House, 1963.

Lua MLA (8ú heag.)

Gumpel, Henry J., agus Carl Boettcher. Taxation in the Federal Republic of Germany. Commerce Clearing House, 1963.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.