Παραπομπή σε μορφή APA (7η εκδ.)

Shahaby Ahmad F., El-din Khaled M. Essam, & Excellent Publishers. Desulfurization of Crude Oil and Oil Products by Local Isolated Bacterial Strains.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shahaby Ahmad F., El-din Khaled M. Essam, και Excellent Publishers. Desulfurization of Crude Oil and Oil Products by Local Isolated Bacterial Strains.

Παραπομπή σε μορφή MLA (9th εκδ.)

Shahaby Ahmad F., et al. Desulfurization of Crude Oil and Oil Products by Local Isolated Bacterial Strains.