@book{ BB28523094,
author = "Ainsworth, Mary D. Salter and Waters, Everett",
title = "Patterns of attachment : a psychological study of the strange situation",
publisher = "Psychology Press : Routledge",
year = "2015",
edition = "Classic ed",
series = "Psychology press classic editions",
number = "",
URL = "https://ci.nii.ac.jp/ncid/BB28523094"
}