Cita APA (7a ed.)

Heijkoop, H., & Zwartjes, O. (2004). Muwaššah, zajal, kharja: Bibliography of strophic poetry and music from al-Andalus and their influence in East and West. Brill.

Cita Chicago Style (17a ed.)

Heijkoop, Henk, y Otto Zwartjes. Muwaššah, Zajal, Kharja: Bibliography of Strophic Poetry and Music from Al-Andalus and Their Influence in East and West. Leiden ; Boston: Brill, 2004.

Cita MLA (9a ed.)

Heijkoop, Henk, y Otto Zwartjes. Muwaššah, Zajal, Kharja: Bibliography of Strophic Poetry and Music from Al-Andalus and Their Influence in East and West. Brill, 2004.