APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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