Jorgensen, C. (1990). Mastering 1-2-3 release 3. BPB.
Chicago Style (17th ed.) CitationJorgensen, Carolyn. Mastering 1-2-3 Release 3. New Delhi: BPB, 1990.
MLA (9th ed.) CitationJorgensen, Carolyn. Mastering 1-2-3 Release 3. BPB, 1990.
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