Larson, R. E., Hostetler, R. P., & Edwards, B. H. (1990). ঈধষপঁষঁং রিঃয অহধষুঃরপ এবড়সবঃৎু (4th ed.). D. C. Heath and Company.
Cita Chicago (17th ed.)Larson, Roland E., Robert P. Hostetler, i Bruce H. Edwards. ঈধষপঁষঁং রিঃয অহধষুঃরপ এবড়সবঃৎু. 4th ed. Lexington, Massachusetts: D. C. Heath and Company, 1990.
Cita MLA (9th ed.)Larson, Roland E., et al. ঈধষপঁষঁং রিঃয অহধষুঃরপ এবড়সবঃৎু. 4th ed. D. C. Heath and Company, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.