EFY ENTERPRISES. (2008). MODERN AUDIO-VISUAL SYSTEMS INCL. MP4,HD-DVD AND BLU-RAY. EFY ENTERPRICES PUB.
芝加哥风格引文EFY ENTERPRISES. MODERN AUDIO-VISUAL SYSTEMS INCL. MP4,HD-DVD AND BLU-RAY. NEW DELHI: EFY ENTERPRICES PUB, 2008.
MLA引文EFY ENTERPRISES. MODERN AUDIO-VISUAL SYSTEMS INCL. MP4,HD-DVD AND BLU-RAY. EFY ENTERPRICES PUB, 2008.
警告：这些引文格式不一定是100％准确.