APA استشهاد

Benbury, K. (1999). Test yourself finite mathematics. NTC learning works.

استشهاد بنمط شيكاغو

Benbury, Karen. Test Yourself Finite Mathematics. Illinoise: NTC learning works, 1999.

MLA استشهاد

Benbury, Karen. Test Yourself Finite Mathematics. NTC learning works, 1999.