APA-viite (7. p.)

Liu, L., & Ramakrishna, S. (2021). An introduction to circular economy. Springer. https://doi.org/10.1007/978-981-15-8510-4

Chicago-viite (17. p.)

Liu, Lerwen, ja Seeram Ramakrishna. An Introduction to Circular Economy. Singapore: Springer, 2021. https://doi.org/10.1007/978-981-15-8510-4.

MLA-viite (9. p.)

Liu, Lerwen, ja Seeram Ramakrishna. An Introduction to Circular Economy. Springer, 2021. https://doi.org/10.1007/978-981-15-8510-4.