Gaya APA

郭熙安, ., Robertson, G, W, , (. (2020). What is Evangelism? = 何謂傳福音? (First). Taipei City (台北市: 改革宗出版有限公司.

Gaya MLA

郭熙安, ., Robertson, George, W., , (喬治·羅伯森). "What is Evangelism? = 何謂傳福音?". First Taipei City (台北市: 改革宗出版有限公司, 2020. Text.