, S., & , D. I. H. S. (2009). Influence of contracts to delivery of transit service quality: : A case study BLU Transjakarta Busway and Varmlandstrafik AB. [Yogyakarta] : Universitas Gadjah Mada.
استشهاد بنمط شيكاغو, SUPROBO, و Dr. Ir. Heru Sutomo. Influence of Contracts to Delivery of Transit Service Quality: : A Case Study BLU Transjakarta Busway and Varmlandstrafik AB. [Yogyakarta] : Universitas Gadjah Mada, 2009.
MLA استشهاد, SUPROBO, و Dr. Ir. Heru Sutomo. Influence of Contracts to Delivery of Transit Service Quality: : A Case Study BLU Transjakarta Busway and Varmlandstrafik AB. [Yogyakarta] : Universitas Gadjah Mada, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.