When completing written assessments for this module, you are required to cite all your sources in the correct format. You should use the Harvard Referencing Style when citing sources. Guidelines are available at Introduction to Referencing and Plagiarism - CEMS Harvard Referencing Style - LibGuides at University of South Africa (UNISA). Which one of the following options should be used when citing the prescribed book in the reference list of your assessment? Select one: South African employment relations, theory and practice. Nel, P.S. & Kirsten, M. (Eds). 2020. 9th edition. Pretoria: Van Schaik. Erasmus, B.J., Gobind, J., Jordaan, B. & Holtzhausen M. 2020. South African employment relations, theory and practice. 9th edition. Pretoria: Van Schaik. Nel, P.S., Kirsten, M., Erasmus, B.J., Gobind, J., Jordaan, B., Holtzhausen, M. 2020. South African employment relations, theory and practice. 9th edition. Pretoria: Van Schaik. Nel, P.S. & Kirsten, M. (Eds.). 2020. South African employment relations, theory and practice. 9th edition. Pretoria: Van Schaik