Tohutoro APA (7th ed.)

Sloan, J. P. (1991). Ponderosa and lodgepole pine seedling bud burst varies with lift date and cultural practices in Idaho nursery. Intermountain Research Station.

Tohutoru Kātū Chicago (17th ed.)

Sloan, John P. Ponderosa and Lodgepole Pine Seedling Bud Burst Varies with Lift Date and Cultural Practices in Idaho Nursery. Ogden, Utah, USA: Intermountain Research Station, 1991.

Tohutoro MLA (9th ed.)

Sloan, John P. Ponderosa and Lodgepole Pine Seedling Bud Burst Varies with Lift Date and Cultural Practices in Idaho Nursery. Intermountain Research Station, 1991.