Gaya APA
Havermann, Ernest, Lehtinen, Marlene. (1986).
Marriages and families : new problems, new opportunities .
England, Cliffs, New Jersey:
Prentice-Hall.
Gaya Chicago
Havermann, Ernest, Lehtinen, Marlene.
Marriages and families : new problems, new opportunities.
England, Cliffs, New Jersey:
Prentice-Hall,
1986.
Text.
Gaya MLA
Havermann, Ernest, Lehtinen, Marlene.
Marriages and families : new problems, new opportunities.
England, Cliffs, New Jersey:
Prentice-Hall,
1986.
Text.
Gaya Turabian
Havermann, Ernest, Lehtinen, Marlene.
Marriages and families : new problems, new opportunities.
England, Cliffs, New Jersey:
Prentice-Hall,
1986.
Print.