APA (7 वां संस्करण) प्रशस्ति पत्र
(1987). The encyclopedia of careers and vocational guidance: Selecting a technician's career (7th ed.). J.G. Ferguson publishing co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
The Encyclopedia of Careers and Vocational Guidance: Selecting a Technician's Career. 7th ed. Chicago: J.G. Ferguson publishing co., 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
The Encyclopedia of Careers and Vocational Guidance: Selecting a Technician's Career. 7th ed. J.G. Ferguson publishing co., 1987.
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