(1994). Implementing integrated environmental management. Blacksburg, VA: Virginia Polytechnic Institute and State University.
استشهاد بنمط شيكاغوImplementing Integrated Environmental Management. Blacksburg, VA: Virginia Polytechnic Institute and State University, 1994.
MLA استشهادImplementing Integrated Environmental Management. Blacksburg, VA: Virginia Polytechnic Institute and State University, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.