APA način citiranja

kumaravelu, S., & Susheela Kumaravelu. (1990). Astronomy: For degree classes. S kumaravelu.

Čikaški stil citiranja

kumaravelu, S., i Susheela Kumaravelu. Astronomy: For Degree Classes. Nagarcovil: S kumaravelu, 1990.

MLA način citiranja

kumaravelu, S., i Susheela Kumaravelu. Astronomy: For Degree Classes. S kumaravelu, 1990.

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