Gaya APA

謝秉德, ., Kierkegaard, S. (2011.07). Purity of Heart to Will One Thing = 清心志於一事 (First). : 基督教文藝.

Gaya MLA

謝秉德, ., Kierkegaard, Soren. "Purity of Heart to Will One Thing = 清心志於一事". First : 基督教文藝, 2011.07. Text.