APA引文

Fenne, T. Tönnies Fenne's Low German manual of spoken Russian. Copenhagen.

Chicago Style Citation

Fenne, Tönnies. Tönnies Fenne's Low German Manual of Spoken Russian. Copenhagen.

MLA引文

Fenne, Tönnies. Tönnies Fenne's Low German Manual of Spoken Russian. Copenhagen.

警告：这些引文格式不一定是100％准确.