Barnard, C. J. (1993). Asking questions in biology: Design, analysis, and presentation in practical work. New York: Longman Scientific & Technical.
استشهاد بنمط شيكاغوBarnard, C. J. Asking Questions in Biology: Design, Analysis, and Presentation in Practical Work. New York: Longman Scientific & Technical, 1993.
MLA استشهادBarnard, C. J. Asking Questions in Biology: Design, Analysis, and Presentation in Practical Work. New York: Longman Scientific & Technical, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.