Killen, M., & Killen, M. (2019). From Single to Scale: How a Single Person, Small Business, or an Entrepreneur Can Grow Their Business to Profit (1st ed. 2019.). Apress : Imprint: Apress. https://doi.org/10.1007/978-1-4842-3814-1
Παραπομπή σε μορφή Chicago (17η εκδ.)Killen, Michael, και Michael Killen. From Single to Scale: How a Single Person, Small Business, or an Entrepreneur Can Grow Their Business to Profit. 1st ed. 2019. Berkeley, CA: Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-3814-1.
Παραπομπή σε μορφή MLA (8th εκδ.)Killen, Michael, και Michael Killen. From Single to Scale: How a Single Person, Small Business, or an Entrepreneur Can Grow Their Business to Profit. 1st ed. 2019. Apress : Imprint: Apress, 2019. https://doi.org/10.1007/978-1-4842-3814-1.