, P. R., & , T. H. H. (2011). BLUE OCEAN STRATEGY FORMULATION IN HOTEL INDUSTRY: The Case of Grage Ramayana Hotel. [Yogyakarta] : Universitas Gadjah Mada.
Chicago Style Citation, Peter Ryan, and Tarsisius Hani Handoko. BLUE OCEAN STRATEGY FORMULATION IN HOTEL INDUSTRY: The Case of Grage Ramayana Hotel. [Yogyakarta] : Universitas Gadjah Mada, 2011.
MLA引文, Peter Ryan, and Tarsisius Hani Handoko. BLUE OCEAN STRATEGY FORMULATION IN HOTEL INDUSTRY: The Case of Grage Ramayana Hotel. [Yogyakarta] : Universitas Gadjah Mada, 2011.
警告：這些引文格式不一定是100％准確.