APA-viite (7. p.)

Judkins, C. J. (1942). Trade and professional associations of the United States. U.S. Govt. Print. Off.

Chicago-viite (17. p.)

Judkins, Calvert Jay. Trade and Professional Associations of the United States. Washington: U.S. Govt. Print. Off, 1942.

MLA-viite (9. p.)

Judkins, Calvert Jay. Trade and Professional Associations of the United States. U.S. Govt. Print. Off, 1942.