Ranking.
Classification.
Point method.
Prepare a short description of each method, considering:

What are the essential weaknesses in each of these evaluation methods?
Describe a situation in which it would not be effective for the business. For example, when would ranking be either impractical or unfair? When would the point method be too complicated to be effective in evaluating work for creating a salary structure?

Books

Milkovich, G. T., Newman, J. M., & Gerhart, B. (2013). Compensation (11th ed.). New York, NY: McGraw-Hill/Irwin. ISBN: 9780078029493.