Martin, S., & Layson, M. (2001). Mas mabigat na parusa, ipataw-Noli / Sammy Martin at Mer Layson. Kabayan.
Cita Chicago (17th ed.)Martin, Sammy, i Mer Layson. "Mas Mabigat Na Parusa, Ipataw-Noli / Sammy Martin at Mer Layson." Kabayan 2001.
Cita MLA (9th ed.)Martin, Sammy, i Mer Layson. "Mas Mabigat Na Parusa, Ipataw-Noli / Sammy Martin at Mer Layson." Kabayan, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.