Blalock, H. M. (1969). Theory construction: From verbal to mathematical formulations. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Blalock, Hubert M. Theory Construction: From Verbal to Mathematical Formulations. Englewood Cliffs: Prentice-Hall, 1969.
Citatione MLA (9a ed.)Blalock, Hubert M. Theory Construction: From Verbal to Mathematical Formulations. Prentice-Hall, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.