Gaya APA
Hahn, W. (1963).
Theory and application of Liapunov`s Direct Method .
United States of America:
PRENTCE-HALL INTERNATIONAL.
Gaya MLA
Hahn, Wolfgang.
"Theory and application of Liapunov`s Direct Method".
United States of America:
PRENTCE-HALL INTERNATIONAL,
1963.
Text.