Knights of Columbus, P. S. C. (1959). 61st Annual Pennsylvania State Council Convention, Knights of Columbus, Philadelphia, Pennsylvania, May 2,3,4,5, 1959. Philadelphia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিKnights of Columbus, Pennsylvania State Council. 61st Annual Pennsylvania State Council Convention, Knights of Columbus, Philadelphia, Pennsylvania, May 2,3,4,5, 1959. Philadelphia, 1959.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিKnights of Columbus, Pennsylvania State Council. 61st Annual Pennsylvania State Council Convention, Knights of Columbus, Philadelphia, Pennsylvania, May 2,3,4,5, 1959. Philadelphia, 1959.
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