Gaya APA
Salzgeber, J. (2019).
The Little Book of Stoicism: Timeless Wisdom to Gain Resilience, Confidence, and Calmness .
USA:
Jonas Salzgeber.
Gaya MLA
Salzgeber, Jonas.
"The Little Book of Stoicism: Timeless Wisdom to Gain Resilience, Confidence, and Calmness".
USA:
Jonas Salzgeber,
2019.
Text.