APA (7e ed.) Bronvermelding

Sasis, E. V. (1977). Legusa: A Laeliocattleya reborn, selected writings. s. n.

Chicago (17e ed.) Bronvermelding

Sasis, Ernesto V. Legusa: A Laeliocattleya Reborn, Selected Writings. [s. l: s. n, 1977.

MLA (9e ed.) Bronvermelding

Sasis, Ernesto V. Legusa: A Laeliocattleya Reborn, Selected Writings. s. n, 1977.