Gaya APA
Havemenn, Ernest. (1986).
Marriages and families: new problem, new opportunities / Ernest Havemenn; lehtinen Marlene .
New York:
Prentice Hall.
Gaya Chicago
Havemenn, Ernest.
Marriages and families: new problem, new opportunities / Ernest Havemenn; lehtinen Marlene.
New York:
Prentice Hall,
1986.
.
Gaya MLA
Havemenn, Ernest.
Marriages and families: new problem, new opportunities / Ernest Havemenn; lehtinen Marlene.
New York:
Prentice Hall,
1986.
.
Gaya Turabian
Havemenn, Ernest.
Marriages and families: new problem, new opportunities / Ernest Havemenn; lehtinen Marlene.
New York:
Prentice Hall,
1986.
.