Appendix of Macau Decree-Law No. 17 of 1993 (Road Traffic Regulation)
Colonial Government of Macau
<a rel="nofollow" class="external free" href="https://images.io.gov.mo/bo/i/93/17/dl-17-93.pdf">https://images.io.gov.mo/bo/i/93/17/dl-17-93.pdf</a>