APA-čujuhus (7. p.)
GILL, J. ;. S. (2000). TELEPHONES. WHAT FEATURES DO DISABLED PEOPLE NEED? RNIB.
Chicago-čujuhus (17. p.)
GILL, J. ; SHIPLEY. TELEPHONES. WHAT FEATURES DO DISABLED PEOPLE NEED? Londres: RNIB, 2000.
MLA-čujuhus (9. p.)
GILL, J. ; SHIPLEY. TELEPHONES. WHAT FEATURES DO DISABLED PEOPLE NEED? RNIB, 2000.
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