Gaya APA

Poortman, A., Mills, , M. (2012). Investments in Marriage and Cohabitation: The Role of Legal and Interpersonal Commitment . Netherlands: Wiley-Blackwell.

Gaya MLA

Poortman, Anne-Rigt., Mills, , Melinda. "Investments in Marriage and Cohabitation: The Role of Legal and Interpersonal Commitment". Netherlands: Wiley-Blackwell, 2012. e-journal.