Kendler KS, Czajkowski N, Tambs K, et al. (2006). "Dimensional representations of DSM-IV cluster A personality disorders in a population-based sample of Norwegian twins: a multivariate study". Psychological Medicine. 36 (11): 1583–91. doi:10.1017/S0033291706008609. PMID16893481. S2CID21613637.
Kendler KS, Czajkowski N, Tambs K, et al. (2006). "Dimensional representations of DSM-IV cluster A personality disorders in a population-based sample of Norwegian twins: a multivariate study". Psychological Medicine. 36 (11): 1583–91. doi:10.1017/S0033291706008609. PMID16893481. S2CID21613637.
Kendler KS, Czajkowski N, Tambs K, et al. (2006). "Dimensional representations of DSM-IV cluster A personality disorders in a population-based sample of Norwegian twins: a multivariate study". Psychological Medicine. 36 (11): 1583–91. doi:10.1017/S0033291706008609. PMID16893481. S2CID21613637.