APA-viite (7. p.)

Nuchelmans, G. Counterfactual conditionals and singular causal statements: G. Nuchelmans. Philosophie de l'histoire ; Philosophie de la culture.(1953).

Chicago-viite (17. p.)

Nuchelmans, G. "Counterfactual Conditionals and Singular Causal Statements: G. Nuchelmans." Philosophie De L'histoire ; Philosophie De La Culture.(1953) .

MLA-viite (8. p.)

Nuchelmans, G. "Counterfactual Conditionals and Singular Causal Statements: G. Nuchelmans." Philosophie De L'histoire ; Philosophie De La Culture.(1953), .