Pah, C. H. (2013). Single polygon counting on Cayley tree of order 4: Generalized Catalan numbers. IDOSI Publications.
استشهاد بنمط شيكاغوPah, Chin Hee. Single Polygon Counting On Cayley Tree of Order 4: Generalized Catalan Numbers. IDOSI Publications, 2013.
MLA استشهادPah, Chin Hee. Single Polygon Counting On Cayley Tree of Order 4: Generalized Catalan Numbers. IDOSI Publications, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.