APA引文

Frei, E. J. (1950). The historical development of the Philippine national language II.

Chicago Style (17th ed.) Citation

Frei, Ernest J. The Historical Development of the Philippine National Language II. 1950.

MLA引文

Frei, Ernest J. The Historical Development of the Philippine National Language II. 1950.

警告：這些引文格式不一定是100％准確.