Gaya APA

Ankerberg, J, A, J, W., 逸萍, . (1999.04). Facts on UFOs and Other Supernatural Phenomena, The = UFO的真相 (First). Hong Kong (香港): 天道書樓有限公司.

Gaya MLA

Ankerberg, John, And, John, Weldon., 逸萍, . "Facts on UFOs and Other Supernatural Phenomena, The = UFO的真相". First Hong Kong (香港): 天道書樓有限公司, 1999.04. Text.