Valverde Sánchez, J. L. (2011). Proposal for the creation of a Center for Learning Resources (CRA) in the School of San Lorenzo de Tarrazu.
استشهاد بنمط شيكاغوValverde Sánchez, Jorge Luis. Proposal for the Creation of a Center for Learning Resources (CRA) in the School of San Lorenzo De Tarrazu. 2011.
MLA استشهادValverde Sánchez, Jorge Luis. Proposal for the Creation of a Center for Learning Resources (CRA) in the School of San Lorenzo De Tarrazu. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.