APA

Hosein A., Ali A., Petrotrin, INGEPET '99 I. S. (. . 1. O. 2. . L. P., Ali A. & Petrotrin.Using alliances and joint ventures to transform a national oil company. : .

Chicago

Hosein Aleem, Ali Anisa, Petrotrin, INGEPET '99 International Seminar (3° 1999 Oct 26-29 Lima Perú), Ali Anisa and Petrotrin.Using alliances and joint ventures to transform a national oil company. : .

Harvard

Hosein A., Ali A., Petrotrin, INGEPET '99 I. S. (. . 1. O. 2. . L. P., Ali A. and Petrotrin.Using alliances and joint ventures to transform a national oil company. : .

MLA

Hosein Aleem, Ali Anisa, Petrotrin, INGEPET '99 International Seminar (3° 1999 Oct 26-29 Lima Perú), Ali Anisa and Petrotrin.: . .