Παραπομπή σε μορφή APA (7η εκδ.)

Groesbeck, J. (1883). Crittenden commercial arithmetic and business manual: Designed for use in counting-houses, academies, and commercial colleges (Revised ed.). Eldredge & Brother.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Groesbeck, John. Crittenden Commercial Arithmetic and Business Manual: Designed for Use in Counting-houses, Academies, and Commercial Colleges. Revised ed. Philadelphia: Eldredge & Brother, 1883.

Παραπομπή σε μορφή MLA (8th εκδ.)

Groesbeck, John. Crittenden Commercial Arithmetic and Business Manual: Designed for Use in Counting-houses, Academies, and Commercial Colleges. Revised ed. Eldredge & Brother, 1883.