APA
National Childbirth Trust, . (1987). Project ideas for schools. London: National Childbirth Trust.
Chicago
National Childbirth Trust, . 1987. Project ideas for schools. London: National Childbirth Trust.
Harvard
National Childbirth Trust, . (1987). Project ideas for schools. London: National Childbirth Trust.
MLA
National Childbirth Trust, . Project ideas for schools. London: National Childbirth Trust. 1987.