Piaget, Jean
Toward a logic of meanings/Jean Piaget, Rolando Garcia; with the collaboration of L. Banks...[et al.]; edited by Philip M. Davidson and Jack Easley
Hillsdale, New Jersey Lawrence Erlbaum Associates 1991,
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Fungsi teori dalam penelitian kuntitatif
 Artikel Jurnal
Graf V4 - Magic.
Universitas Indonesia, 2006
 UI - Skripsi (Membership)
Putsch, Gertrud
Grund fragen der sprachtheorie
Halle Niemeyer 1955
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Konings, Fransk G
Ubersetzung in theorie und praxie : Ansatzpunke...
Bochum : Julius Groos, 1979
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