Gaya APA
Bengtson, Vern L., Robertson, Joan F.. (1985).
Grandparenthood .
Beverly Hills, CA:
Sage.
Gaya Chicago
Bengtson, Vern L., Robertson, Joan F..
Grandparenthood.
Beverly Hills, CA:
Sage,
1985.
Text.
Gaya MLA
Bengtson, Vern L., Robertson, Joan F..
Grandparenthood.
Beverly Hills, CA:
Sage,
1985.
Text.
Gaya Turabian
Bengtson, Vern L., Robertson, Joan F..
Grandparenthood.
Beverly Hills, CA:
Sage,
1985.
Print.