Trích dẫn APA

Timm, s. (1980). Directory of ship owners , ship builders and marine engineers. Marine week.

Trích dẫn kiểu Chicago

Timm, simon. Directory of Ship Owners , Ship Builders and Marine Engineers. England: Marine week, 1980.

Trích dẫn MLA

Timm, simon. Directory of Ship Owners , Ship Builders and Marine Engineers. Marine week, 1980.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.