APA
"Singhania V. K., "Singhania K., .Direct taxes law and practice. New Delhi: .
Chicago
"Singhania Vinod K", "Singhania Kapil", .Direct taxes law and practice. New Delhi: .
Harvard
"Singhania V. K., "Singhania K., .Direct taxes law and practice. New Delhi: .
MLA
"Singhania Vinod K", "Singhania Kapil", .New Delhi: . .