APA Style
Williams, G.S., Shumack, R.L., Billoo,M and Kodwavwala,M.R. (2002).
Special Postmarks of Pakistan 1947-2001 (A Hand Book of Slogan, Special and First day Postmarks of Pakistan) (Ref: 1) .
Karachi:
Kodwavi Printing Services.
Chicago Style
Williams, G.S., Shumack, R.L., Billoo,M and Kodwavwala,M.R.
Special Postmarks of Pakistan 1947-2001 (A Hand Book of Slogan, Special and First day Postmarks of Pakistan) (Ref: 1).
Karachi:
Kodwavi Printing Services,
2002.
.
MLA Style
Williams, G.S., Shumack, R.L., Billoo,M and Kodwavwala,M.R.
Special Postmarks of Pakistan 1947-2001 (A Hand Book of Slogan, Special and First day Postmarks of Pakistan) (Ref: 1).
Karachi:
Kodwavi Printing Services,
2002.
.
Turabian Style
Williams, G.S., Shumack, R.L., Billoo,M and Kodwavwala,M.R.
Special Postmarks of Pakistan 1947-2001 (A Hand Book of Slogan, Special and First day Postmarks of Pakistan) (Ref: 1).
Karachi:
Kodwavi Printing Services,
2002.
.