허 일웅 Ir-ung Hŏ. (1989). 볼링 Bolling 87. Taewonsa.
Chicago Style (17th ed.) Citation허 일웅 Ir-ung Hŏ. 볼링 Bolling 87. Seoul: Taewonsa, 1989.
MLA (8th ed.) Citation허 일웅 Ir-ung Hŏ. 볼링 Bolling 87. Taewonsa, 1989.
Warning: These citations may not always be 100% accurate.