APA-čujuhus (7. p.)
Ballard, C., Da Silva, V., Farrell, D. M., Koerner, A., & Sayles, J. (2005). Transitioning: Informix 4GL to enterprise generation language (EGL). IBM.
Chicago-čujuhus (17. p.)
Ballard, Chuck, Vlaunir Da Silva, Daniel M. Farrell, Alexander Koerner, juo Jonathan Sayles. Transitioning: Informix 4GL to Enterprise Generation Language (EGL). San Jose, CA: IBM, 2005.
MLA-čujuhus (9. p.)
Ballard, Chuck, et al. Transitioning: Informix 4GL to Enterprise Generation Language (EGL). IBM, 2005.
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