Global Forum on Taxation, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2008). Tax co-operation: Towards a level playing field : 2008 assessment by the Global Forum on Taxation. OECD.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Global Forum on Taxation, Organisation for Economic Co-operation and Development, và ProQuest (Firm). Tax Co-operation: Towards a Level Playing Field : 2008 Assessment by the Global Forum on Taxation. Paris: OECD, 2008.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Global Forum on Taxation, et al. Tax Co-operation: Towards a Level Playing Field : 2008 Assessment by the Global Forum on Taxation. OECD, 2008.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.