National Association of Watch and Clock Collectors. Mart of the National Association of Watch and Clock Collectors. National Association of Watch and Clock Collectors.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Association of Watch and Clock Collectors. Mart of the National Association of Watch and Clock Collectors. Glen Falls, N.Y.: National Association of Watch and Clock Collectors.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Association of Watch and Clock Collectors. Mart of the National Association of Watch and Clock Collectors. National Association of Watch and Clock Collectors.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.