Schaaf, F. (2008). The Brightest Stars.: Discovering the Univese through the Sky's Most Brilliant Stars. New jersay: Wiley&Sons Inc.
استشهاد بنمط شيكاغوSchaaf, Fred. The Brightest Stars.: Discovering the Univese Through the Sky's Most Brilliant Stars. New jersay: Wiley&Sons Inc, 2008.
MLA استشهادSchaaf, Fred. The Brightest Stars.: Discovering the Univese Through the Sky's Most Brilliant Stars. New jersay: Wiley&Sons Inc, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.