Petrusburg ke toropo wa Mmušoselegae wa Letsemeng go feta Mmasepala Setereke tša Xhariep, porofense Free State ka moka Afrika Borwa. "Chronological order of town establishment in South Africa based on Floyd (1960:20-26)" (PDF). pp. xlv–lii.  "Main Place Petrusburg". Census 2011.