APA Style
Edmonds, J.L., Carroll, W.E., Kammlade, W.G., Hevens, W.B., Bhatti,S.U, Bukhari,S.I.H and Naqvi,S.A.H. (1991).
A Textbook Of Algebra And Trigonometry Class XI .
Pakistan:
Punjab Textbook Board, Lahore.
Chicago Style
Edmonds, J.L., Carroll, W.E., Kammlade, W.G., Hevens, W.B., Bhatti,S.U, Bukhari,S.I.H and Naqvi,S.A.H.
A Textbook Of Algebra And Trigonometry Class XI.
Pakistan:
Punjab Textbook Board, Lahore,
1991.
.
MLA Style
Edmonds, J.L., Carroll, W.E., Kammlade, W.G., Hevens, W.B., Bhatti,S.U, Bukhari,S.I.H and Naqvi,S.A.H.
A Textbook Of Algebra And Trigonometry Class XI.
Pakistan:
Punjab Textbook Board, Lahore,
1991.
.
Turabian Style
Edmonds, J.L., Carroll, W.E., Kammlade, W.G., Hevens, W.B., Bhatti,S.U, Bukhari,S.I.H and Naqvi,S.A.H.
A Textbook Of Algebra And Trigonometry Class XI.
Pakistan:
Punjab Textbook Board, Lahore,
1991.
.