APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Strasser, H. (2007). Assessment of the ergonomic quality of hand-held tools and computer input devices. IOS Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Helmut Strasser. Assessment of the Ergonomic Quality of Hand-held Tools and Computer Input Devices. Amsterdam ; Washington, D.C.: IOS Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Helmut Strasser. Assessment of the Ergonomic Quality of Hand-held Tools and Computer Input Devices. IOS Press, 2007.
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