Ekonomi, U. P. (2011). Malaysia: Public development expenditure for water supply and sewerage programmes, 1976-80. Jabatan Cetak Kerajaan.
استشهاد بنمط شيكاغوEkonomi, Unit Perancang. Malaysia: Public Development Expenditure for Water Supply and Sewerage Programmes, 1976-80. Jabatan Cetak Kerajaan, 2011.
MLA استشهادEkonomi, Unit Perancang. Malaysia: Public Development Expenditure for Water Supply and Sewerage Programmes, 1976-80. Jabatan Cetak Kerajaan, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.