Wilde, O. (1998). Langmaster course Elementary level.
Trích dẫn kiểu ChicagoWilde, Oscar. Langmaster Course Elementary Level. 1998.
MLA引文Wilde, Oscar. Langmaster Course Elementary Level. 1998.
警告：这些引文格式不一定是100％准确.
APA引文
Wilde, O. (1998). Langmaster course Elementary level.
Trích dẫn kiểu ChicagoWilde, Oscar. Langmaster Course Elementary Level. 1998.
MLA引文Wilde, Oscar. Langmaster Course Elementary Level. 1998.