記錄引文

APA引文

Sheldon, S. (2011). Bầu trời sụp đổ : tiểu thuyết =: The sky is falling. Hà Nội: Công an Nhân dân.

Trích dẫn kiểu Chicago

Sheldon, Sidney. Bầu Trời Sụp đổ : Tiểu Thuyết =: The Sky Is Falling. Hà Nội: Công an Nhân dân, 2011.

MLA引文

Sheldon, Sidney. Bầu Trời Sụp đổ : Tiểu Thuyết =: The Sky Is Falling. Hà Nội: Công an Nhân dân, 2011.

警告：這些引文格式不一定是100％准確.