Ong, T. G., & Lim, E. C. (2008). The management of precast concrete production and usage in Singapore.
استشهاد بنمط شيكاغوOng, Ting Guan., و Ewe Chye Lim. The Management of Precast Concrete Production and Usage in Singapore. 2008.
MLA استشهادOng, Ting Guan., و Ewe Chye Lim. The Management of Precast Concrete Production and Usage in Singapore. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.