Gaya APA
V. Simeonova, N. Nenov. ().
National Chemisty Olympiads Germany (Book 6) .
:
.
Gaya Chicago
V. Simeonova, N. Nenov.
National Chemisty Olympiads Germany (Book 6).
:
,
.
Text.
Gaya MLA
V. Simeonova, N. Nenov.
National Chemisty Olympiads Germany (Book 6).
:
,
.
Text.
Gaya Turabian
V. Simeonova, N. Nenov.
National Chemisty Olympiads Germany (Book 6).
:
,
.
Print.