Gaya APA
PIVER, S. (2004).
THE HARD QUESTIONS:100 ESSENTIAL QUESTIONS TO ASK BEFORE YOU SAY I DO .
YOGYAKARTA:
TORRENT BOOKS.
Gaya MLA
PIVER, SUSAN.
"THE HARD QUESTIONS:100 ESSENTIAL QUESTIONS TO ASK BEFORE YOU SAY I DO".
YOGYAKARTA:
TORRENT BOOKS,
2004.
.