Gaya APA

Weyl, Woldemar A.. (1978). Coloured glasses (text). England: The Scolar Press Limeted.

Gaya Chicago

Weyl, Woldemar A.. Coloured glasses. text England: The Scolar Press Limeted, 1978. .

Gaya MLA

Weyl, Woldemar A.. Coloured glasses. text England: The Scolar Press Limeted, 1978. .

Gaya Turabian

Weyl, Woldemar A.. Coloured glasses. text England: The Scolar Press Limeted, 1978. .