记录引文

APA引文

S Birdsall. (1999). Khái quát về địa lý Mỹ: = An outline of American geography. Hà Nội: Chính Trị Quốc Gia.

Trích dẫn kiểu Chicago

S Birdsall. Khái Quát Về địa Lý Mỹ: = An Outline of American Geography. Hà Nội: Chính Trị Quốc Gia, 1999.

MLA引文

S Birdsall. Khái Quát Về địa Lý Mỹ: = An Outline of American Geography. Hà Nội: Chính Trị Quốc Gia, 1999.

警告：这些引文格式不一定是100％准确.