American Management Association. (1958). Know your package materials. American Management.
استشهاد بنمط شيكاغوAmerican Management Association. Know Your Package Materials. New york: American Management, 1958.
MLA استشهادAmerican Management Association. Know Your Package Materials. American Management, 1958.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.