Dyfyniad APA

NISAR, B. (1990). INTRODUCTION TO SYSTEM DESIGN. STUDENT BOOK DEPOT.

Dyfyniad Arddull Chicago

NISAR, B. INTRODUCTION TO SYSTEM DESIGN. MUMBAI: STUDENT BOOK DEPOT, 1990.

Dyfyniad MLA

NISAR, B. INTRODUCTION TO SYSTEM DESIGN. STUDENT BOOK DEPOT, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.