Gaya APA

Asriningsih, E. (2005). The importance of English in improving employee's skill at PT. Kertas Leces (Persero) Probolinggo (CD) . Malang, Jatim: UNMER.

Gaya MLA

Asriningsih, Etik. "The importance of English in improving employee's skill at PT. Kertas Leces (Persero) Probolinggo (CD)". Malang, Jatim: UNMER, 2005. CD-ROM.