വയലാ വാസുദേവന്പിള്ള & Vayala Vasudevan Pillai. (1975). വിശ്വദര്ശനം (1st.). National Book Stall.
Citação norma Chicagoവയലാ വാസുദേവന്പിള്ള e Vayala Vasudevan Pillai. വിശ്വദര്ശനം. 1st. Kottayam: National Book Stall, 1975.
Citação norma MLAവയലാ വാസുദേവന്പിള്ള e Vayala Vasudevan Pillai. വിശ്വദര്ശനം. 1st. National Book Stall, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.