Reference - Last updated 30 Jun 2025

There are 4 active products in the Reference category.

There are 4 active products in the Reference category.
Subcategory No Of Products No Of Recurring Products Av. Gravity Av. Earnings Av. Rebill Top Product Gravity Earn
Reference 4 0 2.4308 $20.2125 FORDMANUAL 6.5121 $9.41
Automotive 2 0 4.6955 $31.4950 FORDMANUAL 6.5121 $9.41
Catalogs & Directories 0 0
Consumer Guides 0 0
Education 0 0
Gay / Lesbian 1 0 0.0000 HORRORBOOK 0.0000 $0.00
General 0 0
Law & Legal Issues 0 0
The Sciences 1 0 0.3321 $17.8600 LPPRO 0.3321 $17.86
Writing 0 0
 No Of Products Per Subcategory
 No Of Recurring Products Per Subcategory
 Average Earnings ($) Per Subcategory