Gaya APA
Smiles, S. (2019).
Self- Help : With Ilustrasions of Conduct And Perseverance (ke 1).
London:
Fingerpint Publishing.
Gaya MLA
Smiles, Samuel.
"Self- Help : With Ilustrasions of Conduct And Perseverance".
ke 1
London:
Fingerpint Publishing,
2019.
Text.