Gaya APA
Ryder, Norman B.. (1971).
Reproduction in the united states 1965/Norman B. Ryder; Charles F. Westoff .
New Jersey:
Princeton.
Gaya Chicago
Ryder, Norman B..
Reproduction in the united states 1965/Norman B. Ryder; Charles F. Westoff.
New Jersey:
Princeton,
1971.
.
Gaya MLA
Ryder, Norman B..
Reproduction in the united states 1965/Norman B. Ryder; Charles F. Westoff.
New Jersey:
Princeton,
1971.
.
Gaya Turabian
Ryder, Norman B..
Reproduction in the united states 1965/Norman B. Ryder; Charles F. Westoff.
New Jersey:
Princeton,
1971.
.