Gaya APA
Butler-Bowdon, T.
(2017).
50 (Fifty thousand) self - help classics
(
2nd ed)
.
London:
Nicholas Brealey.
Gaya MLA
Butler-Bowdon, Tom.
"50 (Fifty thousand) self - help classics".
2nd ed
London:
Nicholas Brealey,
2017.
Text.