Παραπομπή σε μορφή APA (7η εκδ.)

Spivak, M. (2008). Combined answer book for calculus third an fourth editions. Publish or Perish Inc.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spivak, Michael. Combined Answer Book for Calculus Third an Fourth Editions. Houston: Publish or Perish Inc, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spivak, Michael. Combined Answer Book for Calculus Third an Fourth Editions. Publish or Perish Inc, 2008.