McCain, D. C., & Markley, J. L. (1989). More Manganese Accumulates in Maple Sun Leaves than in Shade Leaves.
استشهاد بنمط شيكاغوMcCain, Douglas C., و John L. Markley. More Manganese Accumulates in Maple Sun Leaves Than in Shade Leaves. 1989.
MLA استشهادMcCain, Douglas C., و John L. Markley. More Manganese Accumulates in Maple Sun Leaves Than in Shade Leaves. 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.