George. (1972). Population and labour force projections for alberta 1970-1985. Human resources research council.
استشهاد بنمط شيكاغوGeorge. Population and Labour Force Projections for Alberta 1970-1985. Human resources research council, 1972.
MLA استشهادGeorge. Population and Labour Force Projections for Alberta 1970-1985. Human resources research council, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.