Cita APA (7a ed.)

ROBERT FREDERICK. (2005). SEVEN WONDERS OF THE WORLD. REALLY USEFUL MAP COMPANY LTD.

Cita Chicago Style (17a ed.)

ROBERT FREDERICK. SEVEN WONDERS OF THE WORLD. ENGLAND: REALLY USEFUL MAP COMPANY LTD, 2005.

Cita MLA (9a ed.)

ROBERT FREDERICK. SEVEN WONDERS OF THE WORLD. REALLY USEFUL MAP COMPANY LTD, 2005.