Jaahne, J. (1976). Gramapathakal. State Instititute of Languages.
Čikaški stil citiranjaJaahne, Johannes. Gramapathakal. Thiruvananthapuram: State Instititute of Languages, 1976.
MLA način citiranjaJaahne, Johannes. Gramapathakal. State Instititute of Languages, 1976.
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