Gaya APA
Mcardle, S.
(2018).
Happines hack: 300+ simple ways to get and stay happy
(
Cet. 1)
.
USA:
Adams Media.
Gaya MLA
Mcardle, Sylvia.
"Happines hack: 300+ simple ways to get and stay happy".
Cet. 1
USA:
Adams Media,
2018.
Equipment.