Perundingan, U. T. M. B. I. d., & GMBH, E. C. H. (1999). Dokumen kontrak: Supply, delivery, installation, testing, commissioning and training of lift for chemical engineering pilot plant for the Faculty of Chemical and Natural Resources Engineering. Skudai : Universiti Teknologi Malaysia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPerundingan, Universiti Teknologi Malaysia. Biro Inovasi dan, এবং Energie Consulting Heidelbergh GMBH. Dokumen Kontrak: Supply, Delivery, Installation, Testing, Commissioning and Training of Lift for Chemical Engineering Pilot Plant for the Faculty of Chemical and Natural Resources Engineering. Skudai : Universiti Teknologi Malaysia, 1999.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPerundingan, Universiti Teknologi Malaysia. Biro Inovasi dan, এবং Energie Consulting Heidelbergh GMBH. Dokumen Kontrak: Supply, Delivery, Installation, Testing, Commissioning and Training of Lift for Chemical Engineering Pilot Plant for the Faculty of Chemical and Natural Resources Engineering. Skudai : Universiti Teknologi Malaysia, 1999.