APA
Purbey M., .GATE Electronics & communication engineering : chapterwise previous years solved papers (2015-2000). New Delhi: Arihant Publications.
Chicago
Purbey Manish, .GATE Electronics & communication engineering : chapterwise previous years solved papers (2015-2000). New Delhi: Arihant Publications.
Harvard
Purbey M., .GATE Electronics & communication engineering : chapterwise previous years solved papers (2015-2000). New Delhi: Arihant Publications.
MLA
Purbey Manish, .New Delhi: Arihant Publications. .