Bakkali, S., & Amrani, M. (2011). GRAVITY SIGNATURES OF THE GIBRALTAR STRAIT ZONE. Universidad de Costa Rica.
Cita Chicago (17th ed.)Bakkali, Saad, i Mahacine Amrani. GRAVITY SIGNATURES OF THE GIBRALTAR STRAIT ZONE. Universidad de Costa Rica, 2011.
Cita MLA (9th ed.)Bakkali, Saad, i Mahacine Amrani. GRAVITY SIGNATURES OF THE GIBRALTAR STRAIT ZONE. Universidad de Costa Rica, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.