APA

Kristoff B., Pappas E., Doan Q., Doan L., Farouq Ali M., PERL, World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary A. C., Pappas E., Doan Q., Doan L., Farouq Ali M. & PERL.Heavy oil recovery prediction. : .

Chicago

Kristoff B.J, Pappas E, Doan Q, Doan L.T, Farouq Ali M, PERL, World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary Alberta Canada), Pappas E, Doan Q, Doan L.T, Farouq Ali M and PERL.Heavy oil recovery prediction. : .

Harvard

Kristoff B., Pappas E., Doan Q., Doan L., Farouq Ali M., PERL, World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary A. C., Pappas E., Doan Q., Doan L., Farouq Ali M. and PERL.Heavy oil recovery prediction. : .

MLA

Kristoff B.J, Pappas E, Doan Q, Doan L.T, Farouq Ali M, PERL, World Petroleum Congress (16th. : 2000 jun. 11-15 : Calgary Alberta Canada), Pappas E, Doan Q, Doan L.T, Farouq Ali M and PERL.: . .