PERMANA, E. (2014). A-Z Otodidak DSLR & Mirrorless. Cemerlang Publishing.
Lua i Stíl Chicago (17ú heag.)PERMANA, Erik. A-Z Otodidak DSLR & Mirrorless. Cemerlang Publishing, 2014.
Lua MLA (8ú heag.)PERMANA, Erik. A-Z Otodidak DSLR & Mirrorless. Cemerlang Publishing, 2014.
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