Cita APA (7th ed.)

(2000). Worldmark yearbook 2000. Gale Group.

Cita Chicago (17th ed.)

Worldmark Yearbook 2000. Detriot: Gale Group, 2000.

Cita MLA (9th ed.)

Worldmark Yearbook 2000. Gale Group, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.