The Semi-Annual (Agassiz Association. Department of the Wilson Chapter). JSTOR.
استشهاد بنمط شيكاغوThe Semi-Annual (Agassiz Association. Department of the Wilson Chapter). JSTOR.
MLA استشهادThe Semi-Annual (Agassiz Association. Department of the Wilson Chapter). JSTOR.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.