Gaya APA
Kippley, Sheila & John. (1987).
The Art of Natural Family Planning (1).
Cincinnati:
The Couple to Couple League Internatonal, Inc.
Gaya Chicago
Kippley, Sheila & John.
The Art of Natural Family Planning.
1
Cincinnati:
The Couple to Couple League Internatonal, Inc,
1987.
Text.
Gaya MLA
Kippley, Sheila & John.
The Art of Natural Family Planning.
1
Cincinnati:
The Couple to Couple League Internatonal, Inc,
1987.
Text.
Gaya Turabian
Kippley, Sheila & John.
The Art of Natural Family Planning.
1
Cincinnati:
The Couple to Couple League Internatonal, Inc,
1987.
Print.