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Gaya APA

Hendrik, R, J. (1996). Pengantar Logika ( asas-asas penalaran sistematis ) (1). yogyakarta: PT Kanisius.

Gaya MLA

Hendrik, Rapar, Jan. "Pengantar Logika ( asas-asas penalaran sistematis )". 1 yogyakarta: PT Kanisius, 1996. Text.