APA (7e ed.) Bronvermelding

Niknam, K., Mohagheghnejad, M., & Saberi, D. (2009). Silica Bonded S-Sulfonic Acid: A Recyclable Catalyst for the Synthesis of Quinoxalines at Room Temperature. MDPI AG.

Chicago (17e ed.) Bronvermelding

Niknam, Khodabakhsh, Maleki Mohagheghnejad, en Dariush Saberi. Silica Bonded S-Sulfonic Acid: A Recyclable Catalyst for the Synthesis of Quinoxalines at Room Temperature. MDPI AG, 2009.

MLA (9e ed.) Bronvermelding

Niknam, Khodabakhsh, et al. Silica Bonded S-Sulfonic Acid: A Recyclable Catalyst for the Synthesis of Quinoxalines at Room Temperature. MDPI AG, 2009.