APA

Almisned O., Alkahtani R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Alkahtani R.Designing an optimal pipeline network for transporting natural gas. : .

Chicago

Almisned O.A, Alkahtani R.M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Alkahtani R.M.Designing an optimal pipeline network for transporting natural gas. : .

Harvard

Almisned O., Alkahtani R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Alkahtani R.Designing an optimal pipeline network for transporting natural gas. : .

MLA

Almisned O.A, Alkahtani R.M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Alkahtani R.M.: . .