توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Library of Congress. Federal Research Division & Merrill, T. (1993). Guyana and Belize: Country studies (2nd ed.). Federal Research Division, Library of Congress.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Library of Congress. Federal Research Division و Tim Merrill. Guyana and Belize: Country Studies. 2nd ed. Washington, D.C.: Federal Research Division, Library of Congress, 1993.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Library of Congress. Federal Research Division و Tim Merrill. Guyana and Belize: Country Studies. 2nd ed. Federal Research Division, Library of Congress, 1993.