There can be two kinds of sources of recruitment for organizations - internal and external.

Internal recruitment - It means getting the candidate from within the organization to fulfil a vacancy. Internal recruitment can be done by:

- Transfer - transferring an employee from one location/ department to other.

- Promotion - Taking the employee higher up in the hierarchy

- Ex-employees - These could be the retired or retrenched employees

- Demotion - Lowering the position of an employee in the hierarchy for various reasons

External recruitment - It means getting the absolutely new candidate to the company. The sources of these employees could be many:

- Job notifications in the print/ online media

- College campuses

- Placement agents

- Unsolicited applicants

- Employee referral program

- Employment exchange

- Labour contractors