SKF.. (1970). Skf general catalogue: Principles of bearing selection and application. Jarrold and Sons ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSKF.. Skf General Catalogue: Principles of Bearing Selection and Application. Norwich: Jarrold and Sons ltd, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSKF.. Skf General Catalogue: Principles of Bearing Selection and Application. Jarrold and Sons ltd, 1970.
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