Open Software foundation. (1991). Open software foundation application enviornment specification. Prentice-Hall.
استشهاد بنمط شيكاغوOpen Software foundation. Open Software Foundation Application Enviornment Specification. Prentice-Hall, 1991.
MLA استشهادOpen Software foundation. Open Software Foundation Application Enviornment Specification. Prentice-Hall, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.