Select all that apply Which of the following are true of findings regarding recruitment sources? Multiple select question. Large firms are the most frequent users of walk-ins, write-ins, and the internal market. There is a consistent relationship between recruitment sources and person-job fit. Use of public employment services declines as required skills levels increase. The internal market is a major recruitment source for entry-level, unskilled, and semiskilled workers. Informal contacts are used widely and effectively at all occupational levels