Longley- Cook L H. (1970). Statistical problems and how to solve them. Barnes and Noble.
استشهاد بنمط شيكاغوLongley- Cook L H. Statistical Problems and How to Solve Them. NewYork: Barnes and Noble, 1970.
MLA استشهادLongley- Cook L H. Statistical Problems and How to Solve Them. Barnes and Noble, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.