(2004). . University Textbooks; Research and Writting, 8(12), 1-124.
. "". University Textbooks; Research and Writting, 8, 12, 2004, 1-124.
(2004). '', University Textbooks; Research and Writting, 8(12), pp. 1-124.
. University Textbooks; Research and Writting, 2004; 8(12): 1-124.