Reference:
Abidin, R. R. (1983). Parenting Stress Index: Manual, Administration Booklet, [and] Research Update. Pediatric Psychology Press.
Abidin, R. R. (1995). Parenting stress index third edition: Professional manual. Psychological Assessment Resources.
Abidin, R., Flens, J. R., & Austin, W. G. (2006). The Parenting Stress Index. In R. P. Archer (Ed.), Forensic uses of clinical assessment instruments (pp. 297–328). Lawrence Erlbaum Associates Publishers
https://www.annarbor.co.uk/index.php?main_page=product_info&cPath=416_419_127&products_id=611
https://eric.ed.gov/?id=ED238896
https://www.parinc.com/Search-Results?Search=parenting+stress
Name and number of scales:
1) Parental Distress, 2) Parent-Child Dysfunctional Interaction, and 3) Difficult Child.